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File version :
Description : IEEE 802.1X Protocol Driver
Copyright : Copyright (C) Meetinghouse Data Communications 1997-2002
Product Version :
Product Name : AEGIS Client 2.3.1
Company Name : Meetinghouse Data Communications
Internal name : mdc8021x.sys
File Size: 15781 byte(s) 15.421 KB
MD5 : f12d725eec3f7ed8e8c554c48bb2ba2e

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How to Install mdc8021x.sys
Repair Sys ProblemsFixing a corrupted or missing mdc8021x.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.