Search for sys files:


File version : 1.4.0016.4 built by: WinDDK
Description : WiQuest UsbLoad Driver
Copyright : WiQuest. All rights reserved.
Product Version : 1.4.0016.4
Product Name : WiQuest Software Support Package 1.4
Company Name : WiQuest Communications, Inc.
Internal name : WQusbldr.sys
File Size: 33592 byte(s) 32.824 KB
MD5 : 4eb00cbf075b2f766bfa44b88c8dd291
SHA1: D0ED6EA40C26C36434CF90CEFDAA2849842BED2E

Download WQ_ldr.sys
Click here to run a free scan for WQ_ldr.sys related errors

How to Install WQ_ldr.sys
Repair Sys ProblemsFixing a corrupted or missing WQ_ldr.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.