The dump says it is caused by the AMD USB Filter Driver (likely part of the chipset drivers)
Code:
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
Use !analyze -v to get detailed debugging information.
BugCheck D1, {50438948, 2, 1, fffff88002fc4291}
*** WARNING: Unable to verify timestamp for usbfilter.sys
*** ERROR: Module load completed but symbols could not be loaded for usbfilter.sys
Probably caused by : usbfilter.sys ( usbfilter+1bf5 )
Followup: MachineOwner
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Which is very old.
Code:
fffff880`055ef000 fffff880`055fe000 usbfilter T (no symbols)
Loaded symbol image file: usbfilter.sys
Image path: usbfilter.sys
Image name: usbfilter.sys
Timestamp: Wed Dec 15 16:04:49 2010 (4D0899C9)
CheckSum: 00015056
ImageSize: 0000F000
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
Try to update it from http://support.amd.com/us/Pages/AMDSupportHub.aspx
Plan to update the BIOS.
Code:
BiosVendor = Award Software International, Inc.
BiosVersion = F2
BiosReleaseDate = 07/08/2011
It will be best option here.
Apply the latest version of nVidia display driver.
You may download it directly, from our forum link Latest NVIDIA ForceWare Video Drivers Windows 7; or you may opt for the Option 2 of Drivers- Download NVIDIA Drivers for “Automatically find drivers for my NVIDIA products” (it requires java installed).
Uninstall AVG using AVG Remover. Use Microsoft Security Essentials as your antivirus with windows inbuilt firewall, and free MBAM as the on demand scanner.
Download, install and update those, and then run full system scans with both of them, one by one.
Let us know the results.