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File version :
Description : NDIS 5.0 driver
Copyright : Copyright (C) 2002 - 2012
Product Version :
Internal name : MOSUMAC.SYS
File Size: 50688 byte(s) 49.512 KB
MD5 : eb96f6c564e5da29a7735e524a6cd53c
SHA1: 8C2641F502CBCF67FD95F4B884185CE117E8393D

Download USBMAC64.sys
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How to Install USBMAC64.sys
Repair Sys ProblemsFixing a corrupted or missing USBMAC64.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.