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File Version : 1.3.0526.0 (XPClient.010817-1148)
Description : Sony USB Lower Filter driver
Copyright : Copyright 1999,2000 Sony Corporation
Product Version : 1.3.0526.0
Product Name : Sony USB Lower Filter driver
Company Name : Sony Corporation
Internal Name : SonyUSBL.sys
File Size: 7552 byte(s) 7.384 KB
MD5 : a1eceeaa5c5e74b2499eb51d38185b84
SHA1: 0CCE065EBA5BAC14803E7A71201BF221A72CB184

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