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File Version : 5.1.2600.1106 built by: WinDDK
Description : OEM Port I/O
Copyright :
Product Version : 5.1.2600.1106
Product Name : Windows (R) 2000 DDK driver
Company Name : Windows (R) 2000 DDK provider
Internal Name : portctl.sys
File Size: 6016 byte(s) 5.896 KB
MD5 : 383c1042f759f56e9f6489e008ef9941
SHA1: 6A229BC714FE526010A5EB79438B951DFBBB05E3

Download PnP649r.sys
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How to Install PnP649r.sys
Repair Sys ProblemsFixing a corrupted or missing PnP649r.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.