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File Version :
Description : High Speed USB-USB Bridge Cable Driver
Copyright : Copyright(C) 2003 Prolific Technology Inc.
Product Version :
Product Name : High Speed USB-USB Bridge Cable Driver
Company Name : Prolific Technology Inc.
Internal Name : usbbc2.sys
File Size: 11776 byte(s) 11.512 KB
MD5 : 2e7bdaa8467bcb2694b640c4b054d423
SHA1: B692DD8563D4F624E461179773341A107B08E7C1

Download ultra66.sys
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How to Install ultra66.sys
Repair Sys ProblemsFixing a corrupted or missing ultra66.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.