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File Version :
Description : USB-to-Serial Cable Driver
Copyright : Copyright(C) Prolific Technology Inc.
Product Version :
Product Name : Prolific USB-to-Serial Bridge Cable
Company Name : Prolific Technology Inc.
Internal Name : SER2PL64.SYS
File Size: 92160 byte(s) 90.0 KB
MD5 : b45b49c37b7faf3b60e3dd30d7b6faf3
SHA1: DC2C664A471BD63971E6C7524BEF322FC5D1BDDD

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