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File Version : 1.8.5
Description : 3Com Internal Cable Modem Driver
Copyright : Copyright (C) 3Com Inc. 1997-1998
Product Version : 1.8.5
Product Name : 3Com U.S. Robotics Cable Modem VSP
Company Name : 3Com
Internal Name : usrcable
File Size: 48516 byte(s) 47.388 KB
MD5 : 9a70dbb0fb60a7fd4e9bc28138218b8d
SHA1: A05653C14F16D18289B7EF6D7797DE2A3EEA930F

Download ultra124.sys
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How to Install ultra124.sys
Repair Sys ProblemsFixing a corrupted or missing ultra124.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.