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File version : 1, 2, 8000, 516
Description : USB Wireless Network Adapter Filter Driver
Copyright : Copyright (c) DEVGURU 2002-2008. All rights reserved.
Product Version : 1, 2, 8000, 516
Product Name : USB Wireless Network Adapter Filter Driver
Company Name : DEVGURU Co., LTD.
Internal name : PTUMWFLT.sys (AMD64 Free)
File Size: 12960 byte(s) 12.672 KB
MD5 : 18d73b3058f70d5af1cb82d18368c857
SHA1: 18C6F5B99CB4A52CE0C479186C0071F747460967

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