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"usbser.sys" on Win 7 Embedded 64-bit is not signed RRS feed

  • Question

  • I have a device, which installed Win 7 Embedded 64-bit, and there is ONLY 1 "usbser.sys", which under system32/driver folder. I link a device to this HOST with USB CDC class, after I install this driver, it shows that the driver is not signed and my USB CDC port can't be used.

    Anyone  can comment on this?

    Cheers,

    How

    Tuesday, September 16, 2014 9:42 AM

All replies

  • The issue might not be with the driver, but with the INF not having the right signature. When you say you link the device to this host - are you installing a driver that utilizes the usbser.sys?

    www.annabooks.com / www.seanliming.com / Book Author - Pro Guide to WE8S, Pro Guide to WES 7, Pro Guide to POS for .NET

    Wednesday, September 17, 2014 3:27 AM
  • Been there, done that.

    There's a usbser.sys under some device, you can find it in ICE, or you could use tap with $device plugged in when building the image. How you managed to get an unsigned one in is curious, just what is this mysterious serial device?

    I actually forgot this in my last image, fortunately, the FTDI driver has one \\^^//


    =^x^=

    Monday, September 22, 2014 8:04 AM