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File Version :
Description : LR25.SYS
Copyright : Copyright (C) Microsoft Corp. 1981-1996
Product Version :
Product Name :
Company Name :
Internal Name : LR25.SYS
File Size: 59168 byte(s) 57.800 KB
MD5 : 8c871b90d247c3b0cc17688e24383293
SHA1: 75832D12344D6FF0B1656D95049B332A63C1CCAD

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