I think you have a virus (Ati2evxx.exe).
Print and follow these steps and you should have it fixed.
1.Download ComboFix from
here and save it to your desktop.
2.Backup files you need/do a backup for your precious data.
3.Exit all programs and disconnect physically from the internet(disconnect the cable)
4.Start ComboFix,type 1 and press enter
5.Don't use the computer until ComboFix finishes.
6.When ComboFix finishes, exit and reconnect to the Internet.
7.Post the content of C:\ComboFix.txt here.
If you need to shoot, shoot don't talk -Eli Wallac when acting as Tuco in The Good, The Bad and The Ugly