Infection: Win32: Malware-gen
Why would it say there is an infection in the live client?
The test client does not throw this exception.
It would be a mistake on their part. AV throws false positives all the time.
If you could go through this process for us, it would help everyone else with avast http://www.avast.com/en-us/faq.php?article=AVKB21#idt_07