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File Version : (39g)
Description : C-Media Audio WDM Driver
Copyright : Copyright (C) C-Media Inc. 1998-2005
Product Version :
Product Name : C-Media Audio Driver (WDM)
Company Name : C-Media Inc
Internal Name : cmuda.sys
File Size: 805440 byte(s) 786.576 KB
MD5 : 9776539378fd13c76c8dc982ed8608e3
SHA1: 3653159B811992C1D25EDDA140392B596C17ECAA

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