File version : amd64 built by: WinDDK
Description : Alocr Micro USB Mass Storage Driver
Copyright : Copyright(C) Alcor Micro, Corp.
Product Version : amd64
Product Name : Alocr Micro USB Mass Storage Driver
Company Name : Alcor Micro, Corp.
Internal name : AmUStor.sys
File Size: 95744 byte(s) 93.512 KB
MD5 : 73e3d53ef8b0db13fda1fc4bdc64d403
How to Install AmUStor.sys
Repair Sys ProblemsFixing a corrupted or missing AmUStor.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.