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File Version : built by: WinDDK
Description : PenMount Serial Device Driver
Copyright : 2010 (c)PenMount All rights reserved.
Product Version :
Product Name : PenMount Serial Device Driver
Company Name : PenMount Touch Solutions
Internal Name : pmmouser.sys
File Size: 75264 byte(s) 73.512 KB
MD5 : edd637b751a8c52ec823602c5b982d65
SHA1: F2B271FB091F79C7D3467AA5E1BC059D3627BC67

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How to Install PIONEER.SYS
Repair Sys ProblemsFixing a corrupted or missing PIONEER.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.