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File Version :
Description : RICOH MS Driver
Copyright : Copyright c 2001-2010, Ricoh Company Ltd.,
Product Version : 6, 0, 0, 0
Product Name : Ricoh Memorystick Controller
Company Name : REDC
Internal Name : r592
File Size: 56832 byte(s) 55.512 KB
MD5 : fe844cd09b2f84392a2760d79660605c
SHA1: 0322E9164F9CF4FC16981468F736616F7DE434C1

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