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WdFilter.sys



File version : 4.0.9200.16384 (win8_rtm.120725-1247)
Description : Microsoft antimalware file system filter driver
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 4.0.9200.16384
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal name : MpFilter
File Size: 258288 byte(s) 252.240 KB
MD5 : 880fffc4d5bbbb4187b6b04ab2e8c32a
SHA1: 6D5BC8CD0BC42E5F6DD2EC11EAE4B96B523DB85A



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