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File Version : V4.20
Description : LG Electronics U8110 USB WMC Modem Filter Driver
Copyright : Copyright (c) MCCI 1997-2004
Product Version : V4.20
Product Name : LG Electronics U8110 USB WMC Modem Filter Driver
Company Name : MCCI
Internal Name : U81xmdfl.sys
File Size: 6064 byte(s) 5.944 KB
MD5 : e39c410fcd87570e36dcc34f6d2502b7
SHA1: 09967F85D85D588E06B3980799E5170C0650F7AD

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