ATIH 2012 uninstalled - now cannot access any USB thumbnail drives

I purchased, installed, and quickly uninstalled Acronis TI 2012 on a new Windows 7 64-bit Toshiba laptop.
Now I cannot access any of my USB thumbnail drives.
Other USB functions are working normally and the same thumbnail drives work normally on other computers.
The drive shows up under disk drives in Device Manager as not working. I cannot update the driver. It tells me that the driver file associated with the drive is disk.inf. The error is that a necessary service is not running and may be being provided by another program or process.
How do I fix this? I have tried reinstalling the USB drivers for my laptop and that made no difference.

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Followed those instructions to the letter. Problem is NOT resolved.
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Please check HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318} and tell me what you have for the upper Filters and Lower Filters Values.
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Actually, I managed to get it working.
There are several other places in the registry with reference to snapman*, fltsrv, tdrpman*, vidsflt*, timounter, or Acronis, beyond the two keys mentioned in the KB article you referenced.
I searched through the registry for all of those terms and deleted all that I found. Then I rebooted, plugged in my USN thumbnail drive, it indicated that it was installing the required drivers, and this time - finally - it succeeded.
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Glad your up and running again.
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