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File Version : 3.4.22 08/06/2002 14:26:30
Description : Modem Device Driver
Copyright : Copyright GTW 1998-2000
Product Version : 3.4.22 08/06/2002 14:26:30
Product Name : GTW Modem Driver
Company Name : GTW
Internal Name : GWMDM.sys
File Size: 1107680 byte(s) 1.57 MB
MD5 : 2b34e4aacb5734bfd663c803335b11ea
SHA1: E677BD85B0BB0BCD7B6340318CD18538F5708BCB

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