Add remove programs - remove logitech desktop messenger
Please download http://www.atribune.org/ccount/click.php?id=4
Double-click VundoFix.exe to run it.
click the Scan for Vundo button.
Once it's done scanning, click the Remove Vundo button.
You will receive a prompt asking if you want to remove the files, click YES.
Once you click yes, your desktop will go blank as it starts removing Vundo.
When completed, it will prompt that it will shutdown your computer, click OK.
Turn your computer back on.
Please post the contents of C:\vundofix.txt and a new HijackThis log.
Note: It is possible that VundoFix encountered a file it could not remove. In this case, VundoFix will run on reboot, simply follow the above instructions starting from "Click the Scan for Vundo button" when VundoFix appears at reboot.
You have Avast and AVG's AV's - remove one - only one active AV to a system