It depends. Usually, on any Windows box, random sleep wakeups and unverified internet use is usually a sign of malware or a trojan horse. Running AVG twice can

It depends. Usually, on any Windows box, random sleep wakeups and unverified internet use is usually a sign of malware or a trojan horse. Running AVG twice can be enough to fix it, but sometimes, they've already penetrated the boot process to execute malicious code without you even knowing it. It's hit me 4 times so far, and this is WITHOUT accessing black hat websites, and WITH protection and startup utilities disabled. It could be TDSS.