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File Version : 1.42
Description : WDM filter driver
Copyright : Copyright c 2000
Product Version : 1.42
Product Name :
Company Name : USB Compliance
Internal Name : usbu2a.sys
File Size: 5183 byte(s) 5.63 KB
MD5 : 9a927381f41618e14a5d3c6022ece477
SHA1: 49CCD5EEE624785DACC50D1DCBA4F518CA9DF255

Download USBAP4X4.SYS
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How to Install USBAP4X4.SYS
Repair Sys ProblemsFixing a corrupted or missing USBAP4X4.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.