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File Version :
Description : Disk Class Filter Driver for Accelerometer
Copyright : Copyright (C) ST Microelectronics2009 - Current
Product Version :
Product Name : Disk Class Filter Driver for Accelerometer
Company Name : ST Microelectronics
Internal Name : stdcfltn.sys
File Size: 17648 byte(s) 17.240 KB
MD5 : 1e72739a30a0d3e3fc95ebb07f83912d
SHA1: A2B587FA6EE1EE89FE3784C81C6E5735780E31C3

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