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File Version : 1.31.27127 (winmain(edkeith).090129-0050)
Description : Hauppauge WinTV 885 Consumer IR Driver for eHome
Copyright : Copyright 2007-2009 Hauppauge Computer Works, Inc.
Product Version : 1.31.27127
Product Name : hcw85cir.sys
Company Name : Hauppauge Computer Works, Inc.
Internal Name : hcw85cir.sys
File Size: 26624 byte(s) 26.0 KB
MD5 : c44e3c2bab6837db337ddee7544736db
SHA1: 1E24F6146F5B298F5F1F752587E1059A607D2E8F

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