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File Version : built by: WinDDK
Description : Driver for SMC2635W EZ Connect 2.4GHz 11 Mbps Wireless Cardbus Adapter
Copyright : Copyright (C) 2004 SMC Networks, Inc.
Product Version :
Product Name : SMC2635W EZ Connect 2.4GHz 11 Mbps Wireless Cardbus Adapter
Company Name : SMC Networks, Inc.
Internal Name : SMC2635R.sys
File Size: 107520 byte(s) 105.0 KB
MD5 : 9329827bdc2e9150f19a88a389b2ddd2
SHA1: DF0E5EC137589735BCC136606CAD12DD4DF4378F

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How to Install VULFNTR.SYS
Repair Sys ProblemsFixing a corrupted or missing VULFNTR.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.