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File Version :
Description : Virtual Serial Bus
Copyright : Copyright ELTIMA Software 2000-2008
Product Version :
Product Name : ELTIMA Virtual Serial Bus
Company Name : ELTIMA Software
Internal Name : vsb.sys
File Size: 27904 byte(s) 27.256 KB
MD5 : ed93e2b7fd5aeb89c924f175824a4d6d
SHA1: 9447A7EED96775B1379AD7B8D4016AFAF880E9E6

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