CKVO.EXE could be a really annoying virus for you if you don't know how to pull it out from your computer system. This virus replicates itself into different names through using double click on your mouse. The name can be everything related with vo.exe for example: KXVO.EXE. That's a suck virus indeed. Athough you format your harddrive, the virus is forever there unless you know how to completely destroy it. Following, i'll show you how to demolish it from your system effectively through my experiences so far.

Firstly try to stop it since your system starting-up by go to : RUN -> msconfig -> Start-up tab -> uncheck the *vo.exe family :) after that you need to restart your system. Restart it!!!

Secondly, go to delete the files usually locate in C:\windows\system21\(all *vo.exe family). Delete them!!!

Thirdly go to Start -> run -> regedit (to dig into the registry file and delete those rascals). Right click on HKEY_CLASSES_ROOT -> find -> type in CKVO.EXE. After the search finishes, press F3 to reach to target -> Delete all related CKVO.EXE.

Finally, Restart to pray for the luck of your new peaceful system :)

Remember : Don't use Double-click on your mouse or you'll face to start killing it from the beginning and something unfortunate could happen randomly :) Be careful then !!!