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File version :
Description : S3 Graphics CBIOS Export Driver
Copyright : Copyright (c) 2011 by S3 Graphics Co., Ltd.
Product Version :
Product Name : S3 Graphics UMA-series CBIOS
Company Name : S3 Graphics Co., Ltd.
Internal name : ucb_64.sys
File Size: 328704 byte(s) 321.0 KB
MD5 : 6688d46d083a6e33179683d133a199b7
SHA1: DBF662C0BB2F7AF21CCFE7F81349AF4B187A668B

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How to Install ucb_64a.sys
Repair Sys ProblemsFixing a corrupted or missing ucb_64a.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.