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File version : 1, 0, 0, 0
Description : a33bus
Copyright : 2011, Advanced Card Systems Ltd.
Product Version : 1, 0, 0, 0
Product Name : ACS ACR33 Bus Driver
Company Name : Advanced Card Systems Ltd.
Internal name : a33bus
File Size: 24704 byte(s) 24.128 KB
MD5 : 61f23dd2cba875ddc1a5f2c8de058c84
SHA1: F3E31B3AF4444AE0BE136CD79416FD1317B6ED8D

Download a33bus.sys
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How to Install a33bus.sys
Repair Sys ProblemsFixing a corrupted or missing a33bus.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.