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File Version : 8.35.171
Description : Logitech Serial Mouse Port Driver
Copyright : Copyright Logitech Inc. 1987-1999.
Product Version : 8.35
Product Name : MouseWare
Company Name : Logitech
Internal Name : lsermous.sys
File Size: 57872 byte(s) 56.528 KB
MD5 : 48fbcf00a5761d1a3770e3a91b20be37
SHA1: A9647CBB1922CCCC230B6E01A823E267CB0D953C

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