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I am installing the I2CTools USB-to-I2C Elite driver for Win 10 x64, but I got a dialog saying ”Jungo Connectivity: a digitally signed driver is required.”

In device manager the two drivers JungoConnectivity WinDriver1251 and USB-to-I2C Elite drivers are marked with yellow triangles and Details says: Not digitally signed.

I have tried on two different Win 10 machines as well as a virtual Win 7 machine and get the same error. The PCs are set up with my company's IT policies.

I can only get the drivers to work by starting Windows with Device driver verification turned off permanently.

According to the vendor the drivers are signed, and the security catalog file usbtoi2c_elite.cat shows that the certificates are recognized by Windows.

Why is Windows reporting this error?
Is there any way to get the drivers to work without disabling driver signature verification completely?

Here are the logs from first installing the drivers, then plugging in the USB device:

> >>>  [Setup Import Driver Package - C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwindrvr1251.inf]

> >>>  Section start 2018/09/04 15:10:04.303

>       cmd: "C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwdreg_gui.exe" -inf windrvr1251.inf install

>      inf: Provider: Jungo Connectivity

>      inf: Class GUID: {c671678c-82c1-43f3-d700-0049433e9a4b}

>      inf: Driver Version: 10/31/2017,12.5.1

>      inf: Catalog File: windrvr1251.cat

>      sto: {Copy Driver Package: C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwindrvr1251.inf}

> 15:10:04.364

>      sto:      Driver Package = C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwindrvr1251.inf

>      sto:      Flags          = 0x00000007

>      sto:      Destination    = C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}

>      sto:      Copying driver package files to 'C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}'.

>      flq:      Copying 'C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwindrvr1251.cat' to

> 'C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}windrvr1251.cat'.

>      flq:      Copying 'C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwindrvr1251.inf' to

> 'C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}windrvr1251.inf'.

>      flq:      Copying 'C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwindrvr1251.sys' to

> 'C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}windrvr1251.sys'.

>      sto: {Copy Driver Package: exit(0x00000000)} 15:10:04.524

>      pol: {Driver package policy check} 15:10:04.649

>      pol: {Driver package policy check - exit(0x00000000)} 15:10:04.655

>      sto: {Stage Driver Package: C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}windrvr1251.inf}

> 15:10:04.674

>      inf:      {Query Configurability: C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}windrvr1251.inf}

> 15:10:04.717

>      inf:           Driver package 'windrvr1251.inf' is configurable.

>      inf:      {Query Configurability: exit(0x00000000)} 15:10:04.734

>      flq:      Copying 'C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}windrvr1251.cat'

> to

> 'C:WindowsSystem32DriverStoreTemp{f0750f9b-44d4-8643-bbe9-ffec9f8c333b}windrvr1251.cat'.

>      flq:      Copying 'C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}windrvr1251.inf'

> to

> 'C:WindowsSystem32DriverStoreTemp{f0750f9b-44d4-8643-bbe9-ffec9f8c333b}windrvr1251.inf'.

>      flq:      Copying 'C:UsersLPEDER~1AppDataLocalTemp{e2f7d203-b67d-eb4c-b7b0-d9ac0e33f8b3}windrvr1251.sys'

> to

> 'C:WindowsSystem32DriverStoreTemp{f0750f9b-44d4-8643-bbe9-ffec9f8c333b}windrvr1251.sys'.

>      sto:      {DRIVERSTORE IMPORT VALIDATE} 15:10:04.885

>      sig:           {_VERIFY_FILE_SIGNATURE} 15:10:05.098

>      sig:                Key      = windrvr1251.inf

>      sig:                FilePath = C:WindowsSystem32DriverStoreTemp{f0750f9b-44d4-8643-bbe9-ffec9f8c333b}windrvr1251.inf

>      sig:                Catalog  = C:WindowsSystem32DriverStoreTemp{f0750f9b-44d4-8643-bbe9-ffec9f8c333b}windrvr1251.cat

> !    sig:                Verifying file against specific (valid)

> catalog failed. !    sig:                Error 0x800b0109: A

> certificate chain processed, but terminated in a root certificate

> which is not trusted by the trust provider.

>      sig:           {_VERIFY_FILE_SIGNATURE exit(0x800b0109)} 15:10:05.333

>      sig:           {_VERIFY_FILE_SIGNATURE} 15:10:05.339

>      sig:                Key      = windrvr1251.inf

>      sig:                FilePath = C:WindowsSystem32DriverStoreTemp{f0750f9b-44d4-8643-bbe9-ffec9f8c333b}windrvr1251.inf

>      sig:                Catalog  = C:WindowsSystem32DriverStoreTemp{f0750f9b-44d4-8643-bbe9-ffec9f8c333b}windrvr1251.cat

>      sig:                Success: File is signed in Authenticode(tm) catalog.

>      sig:                Error 0xe0000241: The INF was signed with an Authenticode(tm) catalog from a trusted publisher.

>      sig:           {_VERIFY_FILE_SIGNATURE exit(0xe0000241)} 15:10:05.483

>      sto:      {DRIVERSTORE IMPORT VALIDATE: exit(0x00000000)} 15:10:05.554

>      sig:      Signer Score = 0x0F000000

>      sig:      Signer Name  = Jungo Connectivity Ltd.

>      sto:      {DRIVERSTORE IMPORT BEGIN} 15:10:05.612

>      sto:      {DRIVERSTORE IMPORT BEGIN: exit(0x00000000)} 15:10:05.620

>      cpy:      {Copy Directory: C:WindowsSystem32DriverStoreTemp{f0750f9b-44d4-8643-bbe9-ffec9f8c333b}}

> 15:10:05.628

>      cpy:           Target Path = C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720b

>      cpy:      {Copy Directory: exit(0x00000000)} 15:10:05.710

>      idb:      {Register Driver Package: C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf}

> 15:10:05.738

>      idb:           Created driver package object 'windrvr1251.inf_amd64_cfd33c661949720b' in DRIVERS database node.

>      idb:           Created driver INF file object 'oem81.inf' in DRIVERS database node.

>      idb:           Registered driver package 'windrvr1251.inf_amd64_cfd33c661949720b' with 'oem81.inf'.

>      idb:      {Register Driver Package: exit(0x00000000)} 15:10:05.799

>      idb:      {Publish Driver Package: C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf}

> 15:10:05.805

>      idb:           Activating driver package 'windrvr1251.inf_amd64_cfd33c661949720b'.

>      cpy:           Published 'windrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf' to

> 'oem81.inf'.

>      idb:           Indexed 2 device IDs for 'windrvr1251.inf_amd64_cfd33c661949720b'.

>      sto:           Flushed driver database node 'DRIVERS'. Time = 46 ms

>      sto:           Flushed driver database node 'SYSTEM'. Time = 16 ms

>      idb:      {Publish Driver Package: exit(0x00000000)} 15:10:05.920

>      sto:      {DRIVERSTORE IMPORT END} 15:10:05.930

>      dvi:           Flushed all driver package files to disk. Time = 15 ms

>      sig:           Installed catalog 'windrvr1251.cat' as 'oem81.cat'.

>      sto:      {DRIVERSTORE IMPORT END: exit(0x00000000)} 15:10:06.161

>      sto: {Stage Driver Package: exit(0x00000000)} 15:10:06.183 <<<  Section end 2018/09/04 15:10:06.235 <<<  [Exit status: SUCCESS]

> 

> [OMITTED]

> 

> >>>  [Device Install (UpdateDriverForPlugAndPlayDevices) - *WINDRVR1251]

> >>>  Section start 2018/09/04 15:10:06.571

>       cmd: "C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwdreg_gui.exe" -inf windrvr1251.inf install

>      ndv: INF path: C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf

>      ndv: Install flags: 0x00000001

>      ndv: {Update Device Driver - ROOTJUNGO000}

>      ndv:      Search options: 0x00000080

>      ndv:      Searching single INF 'C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf'

>      dvi:      {Build Driver List} 15:10:06.630

>      dvi:           Searching for hardware ID(s):

>      dvi:                *windrvr1251

>      dvi:           Created Driver Node:

>      dvi:                HardwareID   - *WINDRVR1251

>      dvi:                InfName      - c:windowssystem32driverstorefilerepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf

>      dvi:                DevDesc      - WinDriver1251

>      dvi:                Section      - DriverInstall.NT

>      dvi:                Rank         - 0x00ff0000

>      dvi:                Signer Score - Authenticode

>      dvi:                DrvDate      - 10/31/2017

>      dvi:                Version      - 12.5.1.0

>      dvi:      {Build Driver List - exit(0x00000000)} 15:10:06.815

>      dvi:      {DIF_SELECTBESTCOMPATDRV} 15:10:06.821

>      dvi:           Default installer: Enter 15:10:06.827

>      dvi:                {Select Best Driver}

>      dvi:                     Class GUID of device changed to: {c671678c-82c1-43f3-d700-0049433e9a4b}.

>      dvi:                     Selected Driver:

>      dvi:                          Description - WinDriver1251

>      dvi:                          InfFile     - c:windowssystem32driverstorefilerepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf

>      dvi:                          Section     - DriverInstall

>      dvi:                {Select Best Driver - exit(0x00000000)}

>      dvi:           Default installer: Exit

>      dvi:      {DIF_SELECTBESTCOMPATDRV - exit(0x00000000)} 15:10:06.888

>      ndv:      Force Installing Driver:

>      ndv:           Inf Name       - oem81.inf

>      ndv:           Driver Date    - 10/31/2017

>      ndv:           Driver Version - 12.5.1.0

>      ndv:      Driver package 'C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf'

> is already imported.

>      sto:      {Setup Import Driver Package: C:WindowsINFoem81.inf} 15:10:06.990

>      sto:           Driver package already imported as 'oem81.inf'.

>      sto:      {Setup Import Driver Package - exit (0x00000000)} 15:10:07.014

>      dvi:      Searching for hardware ID(s):

>      dvi:           *windrvr1251

>      dvi:      Class GUID of device changed to: {c671678c-82c1-43f3-d700-0049433e9a4b}.

>      dvi:      {Plug and Play Service: Device Install for ROOTJUNGO000}

>      dvi:           Driver INF Path: C:WindowsINFoem81.inf

>      dvi:           Driver Node Name: windrvr1251.inf:ed86ca11620928ee:DriverInstall:12.5.1.0:*windrvr1251,

>      dvi:           Driver Store Path: C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf

>      dvi:           Searching for hardware ID(s):

>      dvi:                *windrvr1251

>      dvi:           Class GUID of device changed to: {c671678c-82c1-43f3-d700-0049433e9a4b}.

>      dvi:           {Core Device Install} 15:10:07.285

>      dvi:                {Install Device - ROOTJUNGO000} 15:10:07.299

>      dvi:                     Device Status: 0x01802001, Problem: 0x0 (0x00000000)

>      dvi:                     Parent device: HTREEROOT

>      dvi:                     {Configure Device - ROOTJUNGO000} 15:10:07.342

>      dvi:                          Device Status: 0x01802001, Problem: 0x0 (0x00000000)

>      dvi:                          Parent device: HTREEROOT

>      sto:                          {Configure Driver Package: C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf}

>      sto:                               Source Filter  = *windrvr1251

>      inf:                               Class GUID     = {c671678c-82c1-43f3-d700-0049433e9a4b}

>      inf:                               Class Options  = Configurable

>      idb:                               {Configure Device Setup Class: {c671678c-82c1-43f3-d700-0049433e9a4b}}

>      idb:                                    Updating existing class.

>      idb:                                    Class Name = Jungo

>      idb:                               {Configure Device Setup Class: exit(0x00000000)}

>      inf:                               {Configure Driver: WinDriver1251}

>      inf:                                    Section Name = DriverInstall.NT

>      inf:                                    {Add Service: WinDriver1251}

>      inf:                                         Start Type    = 3

>      inf:                                         Service Type  = 1

>      inf:                                         Error Control = 1

>      inf:                                         Image Path    = SystemRootsystem32driverswindrvr1251.sys

>      inf:                                         Updated service 'WinDriver1251'.

>      inf:                                    {Add Service: exit(0x00000000)}

>      inf:                                    Hardware Id  = *WINDRVR1251

>      inf:                                    {Configure Driver Configuration: DriverInstall.NT}

>      inf:                                         Service Name  = WinDriver1251

>      inf:                                         Config Flags  = 0x00000000

>      inf:                                    {Configure Driver Configuration: exit(0x00000000)}

>      inf:                               {Configure Driver: exit(0x00000000)}

>      flq:                               Copying 'C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.sys'

> to 'C:WindowsSystem32Driverswindrvr1251.sys'.

>      cpy:                               Existing file 'C:WindowsSystem32Driverswindrvr1251.sys' remains unchanged.

>      sto:                          {Configure Driver Package: exit(0x00000000)}

>      dvi:                          Install Device: Configuring device (oem81.inf:*windrvr1251,DriverInstall.NT). 15:10:07.703

>      dvi:                          Install Device: Configuring device completed. 15:10:07.743

>      dvi:                          Device Status: 0x01802001, Problem: 0x0 (0x00000000)

>      dvi:                          Install Device: Starting device 'ROOTJUNGO000'. 15:10:07.766

>      dvi:                          Install Device: Starting device completed. 15:10:07.823 !!!  dvi:                          Device not

> started: Device has problem: 0x34 (CM_PROB_UNSIGNED_DRIVER), problem

> status: 0xc0000428.

>      dvi:                     {Configure Device - exit(0x00000000)} 15:10:07.848

>      dvi:                     Device Status: 0x01802401, Problem: 0x34

>      dvi:                {Install Device - exit(0x00000000)} 15:10:07.914

>      dvi:           {Core Device Install - exit(0x00000000)} 15:10:07.924

>      ump:      {Plug and Play Service: Device Install exit(00000000)}

>      ndv: {Update Device Driver - exit(00000000)}

>      ndv: {Install Related Drivers} 15:10:07.971

>      ndv: {Install Related Drivers: exit(0x00000000)} 15:10:08.018 <<<  Section end 2018/09/04 15:10:08.056 <<<  [Exit status: SUCCESS]

> 

> 

> >>>  [SetupCopyOEMInf - C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf]

> >>>  Section start 2018/09/04 15:10:08.062

>       cmd: "C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwdreg_gui.exe" -inf windrvr1251.inf install

>      inf: Copy style: 0x00000002

>      inf: Driver Store Path: C:WindowsSystem32DriverStoreFileRepositorywindrvr1251.inf_amd64_cfd33c661949720bwindrvr1251.inf

>      inf: Published Inf Path: C:WindowsINFoem81.inf <<<  Section end 2018/09/04 15:10:08.101 <<<  [Exit status: SUCCESS]

> 

> 

> >>>  [Setup Import Driver Package - C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverUSBtoI2C_Elite.inf]

> >>>  Section start 2018/09/04 15:10:08.656

>       cmd: "C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwdreg_gui" -inf USBtoI2C_Elite.inf preinstall

>      inf: Provider: Jungo Connectivity LTD.

>      inf: Class GUID: {c671678c-82c1-43f3-d700-0049433e9a4b}

>      inf: Driver Version: 10/31/2017,12.5.1

>      inf: Catalog File: usbtoi2c_elite.cat

>      sto: {Copy Driver Package: C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverUSBtoI2C_Elite.inf}

> 15:10:08.694

>      sto:      Driver Package = C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverUSBtoI2C_Elite.inf

>      sto:      Flags          = 0x00000007

>      sto:      Destination    = C:UsersLPEDER~1AppDataLocalTemp{6497b5f3-7b4a-684d-905d-18e91d68ae03}

>      sto:      Copying driver package files to 'C:UsersLPEDER~1AppDataLocalTemp{6497b5f3-7b4a-684d-905d-18e91d68ae03}'.

>      flq:      Copying 'C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverusbtoi2c_elite.cat' to

> 'C:UsersLPEDER~1AppDataLocalTemp{6497b5f3-7b4a-684d-905d-18e91d68ae03}usbtoi2c_elite.cat'.

>      flq:      Copying 'C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverUSBtoI2C_Elite.inf' to

> 'C:UsersLPEDER~1AppDataLocalTemp{6497b5f3-7b4a-684d-905d-18e91d68ae03}USBtoI2C_Elite.inf'.

>      sto: {Copy Driver Package: exit(0x00000000)} 15:10:08.819

>      pol: {Driver package policy check} 15:10:08.866

>      pol: {Driver package policy check - exit(0x00000000)} 15:10:08.872

>      sto: {Stage Driver Package: C:UsersLPEDER~1AppDataLocalTemp{6497b5f3-7b4a-684d-905d-18e91d68ae03}USBtoI2C_Elite.inf}

> 15:10:08.878

>      inf:      {Query Configurability: C:UsersLPEDER~1AppDataLocalTemp{6497b5f3-7b4a-684d-905d-18e91d68ae03}USBtoI2C_Elite.inf}

> 15:10:08.897

>      inf:           Driver package is fully isolated.

>      inf:           Driver package 'USBtoI2C_Elite.inf' is configurable.

>      inf:      {Query Configurability: exit(0x00000000)} 15:10:08.918

>      flq:      Copying 'C:UsersLPEDER~1AppDataLocalTemp{6497b5f3-7b4a-684d-905d-18e91d68ae03}usbtoi2c_elite.cat'

> to

> 'C:WindowsSystem32DriverStoreTemp{e8835874-b28e-7142-be5b-81e4a6441b2b}usbtoi2c_elite.cat'.

>      flq:      Copying 'C:UsersLPEDER~1AppDataLocalTemp{6497b5f3-7b4a-684d-905d-18e91d68ae03}USBtoI2C_Elite.inf'

> to

> 'C:WindowsSystem32DriverStoreTemp{e8835874-b28e-7142-be5b-81e4a6441b2b}USBtoI2C_Elite.inf'.

>      sto:      {DRIVERSTORE IMPORT VALIDATE} 15:10:08.995

>      sig:           {_VERIFY_FILE_SIGNATURE} 15:10:09.128

>      sig:                Key      = USBtoI2C_Elite.inf

>      sig:                FilePath = C:WindowsSystem32DriverStoreTemp{e8835874-b28e-7142-be5b-81e4a6441b2b}USBtoI2C_Elite.inf

>      sig:                Catalog  = C:WindowsSystem32DriverStoreTemp{e8835874-b28e-7142-be5b-81e4a6441b2b}usbtoi2c_elite.cat

> !    sig:                Verifying file against specific (valid)

> catalog failed. !    sig:                Error 0x800b0109: A

> certificate chain processed, but terminated in a root certificate

> which is not trusted by the trust provider.

>      sig:           {_VERIFY_FILE_SIGNATURE exit(0x800b0109)} 15:10:09.223

>      sig:           {_VERIFY_FILE_SIGNATURE} 15:10:09.232

>      sig:                Key      = USBtoI2C_Elite.inf

>      sig:                FilePath = C:WindowsSystem32DriverStoreTemp{e8835874-b28e-7142-be5b-81e4a6441b2b}USBtoI2C_Elite.inf

>      sig:                Catalog  = C:WindowsSystem32DriverStoreTemp{e8835874-b28e-7142-be5b-81e4a6441b2b}usbtoi2c_elite.cat

>      sig:                Success: File is signed in Authenticode(tm) catalog.

>      sig:                Error 0xe0000241: The INF was signed with an Authenticode(tm) catalog from a trusted publisher.

>      sig:           {_VERIFY_FILE_SIGNATURE exit(0xe0000241)} 15:10:09.331

>      sto:      {DRIVERSTORE IMPORT VALIDATE: exit(0x00000000)} 15:10:09.350

>      sig:      Signer Score = 0x0F000000

>      sig:      Signer Name  = SB Solutions, Inc.

>      sto:      {DRIVERSTORE IMPORT BEGIN} 15:10:09.381

>      sto:      {DRIVERSTORE IMPORT BEGIN: exit(0x00000000)} 15:10:09.391

>      cpy:      {Copy Directory: C:WindowsSystem32DriverStoreTemp{e8835874-b28e-7142-be5b-81e4a6441b2b}}

> 15:10:09.402

>      cpy:           Target Path = C:WindowsSystem32DriverStoreFileRepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56e

>      cpy:      {Copy Directory: exit(0x00000000)} 15:10:09.434

>      idb:      {Register Driver Package: C:WindowsSystem32DriverStoreFileRepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56eUSBtoI2C_Elite.inf}

> 15:10:09.447

>      idb:           Created driver package object 'usbtoi2c_elite.inf_amd64_c5a0a9f61572b56e' in DRIVERS database node.

>      idb:           Created driver INF file object 'oem82.inf' in DRIVERS database node.

>      idb:           Registered driver package 'usbtoi2c_elite.inf_amd64_c5a0a9f61572b56e' with 'oem82.inf'.

>      idb:      {Register Driver Package: exit(0x00000000)} 15:10:09.509

>      idb:      {Publish Driver Package: C:WindowsSystem32DriverStoreFileRepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56eUSBtoI2C_Elite.inf}

> 15:10:09.516

>      idb:           Activating driver package 'usbtoi2c_elite.inf_amd64_c5a0a9f61572b56e'.

>      cpy:           Published 'usbtoi2c_elite.inf_amd64_c5a0a9f61572b56eusbtoi2c_elite.inf' to

> 'oem82.inf'.

>      idb:           Indexed 2 device IDs for 'usbtoi2c_elite.inf_amd64_c5a0a9f61572b56e'.

>      sto:           Flushed driver database node 'DRIVERS'. Time = 32 ms

>      sto:           Flushed driver database node 'SYSTEM'. Time = 78 ms

>      idb:      {Publish Driver Package: exit(0x00000000)} 15:10:09.694

>      sto:      {DRIVERSTORE IMPORT END} 15:10:09.704

>      dvi:           Flushed all driver package files to disk. Time = 16 ms

>      sig:           Installed catalog 'usbtoi2c_elite.cat' as 'oem82.cat'.

>      sto:      {DRIVERSTORE IMPORT END: exit(0x00000000)} 15:10:09.798

>      sto: {Stage Driver Package: exit(0x00000000)} 15:10:09.820 <<<  Section end 2018/09/04 15:10:09.885 <<<  [Exit status: SUCCESS]

> 

> 

> >>>  [SetupCopyOEMInf - C:WindowsSystem32DriverStoreFileRepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56eUSBtoI2C_Elite.inf]

> >>>  Section start 2018/09/04 15:10:09.894

>       cmd: "C:Program Files (x86)i2ctoolsUSB-to-I2C EliteUSBDriverwdreg_gui" -inf USBtoI2C_Elite.inf preinstall

>      inf: Copy style: 0x00040000

>      inf: Driver Store Path: C:WindowsSystem32DriverStoreFileRepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56eusbtoi2c_elite.inf

>      inf: Published Inf Path: C:WindowsINFoem82.inf

>      sig: Installing catalog usbtoi2c_elite.cat as: oem82.CAT <<<  Section end 2018/09/04 15:10:10.151 <<<  [Exit status: SUCCESS]

> 

> 

> >>>  [Device Install (Hardware initiated) - USBVID_18E4&PID_10003897]

> >>>  Section start 2018/09/04 15:11:46.882

>      dvi: {Build Driver List} 15:11:46.934

>      dvi:      Searching for hardware ID(s):

>      dvi:           usbvid_18e4&pid_1000&rev_0100

>      dvi:           usbvid_18e4&pid_1000

>      dvi:      Searching for compatible ID(s):

>      dvi:           usbclass_ff&subclass_00&prot_00

>      dvi:           usbclass_ff&subclass_00

>      dvi:           usbclass_ff

>      dvi:      Created Driver Node:

>      dvi:           HardwareID   - USBVID_18E4&PID_1000

>      dvi:           InfName      - C:WindowsSystem32DriverStoreFileRepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56eusbtoi2c_elite.inf

>      dvi:           DevDesc      - USB-to-I2C Elite

>      dvi:           Section      - Install.NT

>      dvi:           Rank         - 0x00ff0001

>      dvi:           Signer Score - Authenticode

>      dvi:           DrvDate      - 10/31/2017

>      dvi:           Version      - 12.5.1.0

>      dvi: {Build Driver List - exit(0x00000000)} 15:11:47.050

>      dvi: {DIF_SELECTBESTCOMPATDRV} 15:11:47.056

>      dvi:      Default installer: Enter 15:11:47.062

>      dvi:           {Select Best Driver}

>      dvi:                Class GUID of device changed to: {c671678c-82c1-43f3-d700-0049433e9a4b}.

>      dvi:                Selected Driver:

>      dvi:                     Description - USB-to-I2C Elite

>      dvi:                     InfFile     - c:windowssystem32driverstorefilerepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56eusbtoi2c_elite.inf

>      dvi:                     Section     - Install

>      dvi:           {Select Best Driver - exit(0x00000000)}

>      dvi:      Default installer: Exit

>      dvi: {DIF_SELECTBESTCOMPATDRV - exit(0x00000000)} 15:11:47.112

>      dvi: {Core Device Install} 15:11:47.118

>      dvi:      {Install Device - USBVID_18E4&PID_10003897} 15:11:47.131

>      dvi:           Device Status: 0x01806400, Problem: 0x1 (0xc0000493)

>      dvi:           Parent device: USBROOT_HUB304&3167e99&0&0

>      dvi:           {Configure Device - USBVID_18E4&PID_10003897} 15:11:47.166

>      dvi:                Device Status: 0x01806400, Problem: 0x1 (0xc0000493)

>      dvi:                Parent device: USBROOT_HUB304&3167e99&0&0

>      sto:                {Configure Driver Package: C:WindowsSystem32DriverStoreFileRepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56eusbtoi2c_elite.inf}

>      sto:                     Source Filter  = usbvid_18e4&pid_1000

>      inf:                     Class GUID     = {c671678c-82c1-43f3-d700-0049433e9a4b}

>      inf:                     Class Options  = Configurable

>      inf:                     {Configure Driver: USB-to-I2C Elite}

>      inf:                          Section Name = Install.NT

>      inf:                          {Add Service: WinDriver1251}

>      inf:                               Start Type    = 3

>      inf:                               Service Type  = 1

>      inf:                               Error Control = 1

>      inf:                               Image Path    = SystemRootSystem32Driverswindrvr1251.sys

>      inf:                               Updated service 'WinDriver1251'.

>      inf:                          {Add Service: exit(0x00000000)}

>      inf:                          Hardware Id  = USBVID_18E4&PID_1000

>      inf:                          {Configure Driver Configuration: Install.NT}

>      inf:                               Service Name  = WinDriver1251

>      inf:                               Config Flags  = 0x00000000

>      inf:                          {Configure Driver Configuration: exit(0x00000000)}

>      inf:                     {Configure Driver: exit(0x00000000)}

>      sto:                {Configure Driver Package: exit(0x00000000)}

>      dvi:                Install Device: Configuring device (oem82.inf:usbvid_18e4&pid_1000,Install.NT). 15:11:47.312

>      dvi:                Install Device: Configuring device completed. 15:11:47.340

>      dvi:                Device Status: 0x01806000, Problem: 0x0 (0x00000000)

>      dvi:                Install Device: Starting device 'USBVID_18E4&PID_10003897'. 15:11:47.352

>      dvi:                Install Device: Starting device completed. 15:11:47.377 !!!  dvi:                Device not started: Device has

> problem: 0x34 (CM_PROB_UNSIGNED_DRIVER), problem status: 0xc0000428.

>      dvi:           {Configure Device - exit(0x00000000)} 15:11:47.391

>      dvi:           Device Status: 0x01806400, Problem: 0x34

>      dvi:      {Install Device - exit(0x00000000)} 15:11:47.432

>      dvi: {Core Device Install - exit(0x00000000)} 15:11:47.437 <<<  Section end 2018/09/04 15:11:47.450 <<<  [Exit status: SUCCESS]

Certificate path for the catalog file C:WindowsSystem32DriverStoreFileRepositoryusbtoi2c_elite.inf_amd64_c5a0a9f61572b56eusbtoi2c_elite.cat

This is a typical error you get if vendors are still only cross-signing their drivers.

Note: Please provide your exact Windows Version next time!

However, I'm assuming that your Windows 10 version is at least 1607 (aka Redstone 1, Anniversary Update) and you have Secure Boot enabled.

If my assumption is true, this driver won't work.

I've extracted the .sys and .cat files from the installer package and verified that these drivers do not have a Microsoft signature:

Since Windows 10 version 1607, a tightened kernel driver certification is enforced. The new rule is that all Windows 10 drivers must be digitally signed by Microsoft, no more cross signing! Kernel driver developers must now use an Extended Validation (EV) code signing certificate and submit their drivers to the Windows Hardware Developer Center Dashboard Portal where the drivers will be signed by Microsoft.

In that case you would see a signature like this:

Check the following links for more information:

How do I allow cross-signed kernel drivers in Windows 10 version 1607 with secure boot enabled?

https://docs.microsoft.com/en-us/windows-hardware/drivers/install/kernel-mode-code-signing-policy--windows-vista-and-later-

What are your options now?

• Ask the vendor to provide a Microsoft-signed driver (should be taken for granted actually)


• Disable driver verification (as you've already discovered)


• Disable Secure Boot

According to the vendor the drivers are signed, and the security catalog file usbtoi2c_elite.cat shows that the certificates are recognized by Windows. Why is Windows reporting this error?

A driver can be signed, but if the certificate used to sign the driver isn't trusted, then the driver will be treated as not being properly signed. The following error appears in the log you provided.

the certificate chain processed but terminated in a root certificate which is not trusted by the trust provider.

So the error is caused by the root certificate not being trusted.

Is there any way to get the drivers to work without disabling driver
signature verification completely?

Only a system administrator can solve this problem. The root certificate which signed the certificate that signed the driver will have to be added to the certificate store.