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File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Description : Longhorn SMB 2.0 Redirector
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 6.1.7600.16385
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal Name : MRxSmb20.sys
File Size: 95744 byte(s) 93.512 KB
MD5 : 24d76abe5dcad22f19d105f76fdf0ce1
SHA1: 33891B75AEAC0B7BC53E665D7FA6C4E26C1D45EA

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