How to Install usbdrv.sys
Fixing a corrupted or missing usbdrv.sys error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:\WINNT\system32\drivers (Windows NT/2000).
or C:\Windows\system32\drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.
* If that doesnt work or seems too complicated you can try download the DriverScanner for your PC,fix driver problems and keep them updated. There is a high possibility that your usbdrv.sys problem is due to errors in registry which a simple scan can easily fix.
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