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I've been bashing my head against this for a while now. Tried UBWDriverInstaller_v10.exe, UBWDriverInstaller_v20.exe, and the EBB_inf.zip one.
I can see EiBotBoard as a device in Ports (COM & LPT), but it has that nasty yellow triangle with ! in the middle. Its properties say:
This device is not configured correctly. (Code 1)
A service installation section in this INF is invalid.
To find a driver for this device, click Update Driver.
Provider: SchmalzHaus LLC
Signer: Not digitally signed
loads of hex type crap.
Interestingly, the property 'Install Inf' seems to have a value of C:\Windows\INF\oem19.inf
This is definitely NOT the right name or path for the driver that was installed.
Needless to say, updating drivers doesnt work.
Its also interesting that I could get the EBB into HID bootloader mode (via button presses etc), and the Microchip HIDBootloader could see and flash it without any problems.
The EBB has also sometimes morphed into an Unknown Device, or a COM port, usually COM6 - but it increments by one every time I reset or reinsert the USB cable.
The hardware is clearly fine, theres just some Windows driver type madness going on, hopefully you've seen it before and can suggest a painless solution? Im running rather short of hair...
I havent had any problems with any other USB devices. System is as follows:
Win7 x64 SP1, AMD 64x2 4200, 2x 1GB DDR2, ASROCK N68-S UCC (BIOS 1.70), Logitech wired USB mouse, Dell RTD50 wired USB keyboard with smartcard reader.
PS Forgot to add, when I try to install the drivers using USBDriverInstaller.exe from the Inkscape extension dir, it fails with Error code = 0xE0000217
Also turned off driver signing after my first couple of dozen goes, corner of desktop now says