Please follow the instructions here and attach the logs. Do NOT copy and paste.
Directions: http://forum.avast.com/index.php?topic=53253.0
Run in order listed please
AdwCleaner / Malwarebytes / OTL / aswMBR
When done, removal specialists will be notified and help you.
It looks like you have a TON of malware. The error you are getting means the file is gone usually. Just as a check given all the malware there you should post the logs.