So I was reading the Bitdefender Free "User's Guide" (PDF file) and it says:
"In order to be protected by Bitdefender Antivirus Free Edition, you must register
your product by creating a MyBitdefender account.
Once you have registered Bitdefender Antivirus Free Edition, the program will
automatically enable the Virus Shield and the Auto Scan protection modules. Product
updates are performed automatically and you are not required to configure any
settings."
On the Bitdefender User Interface, at the bottom is says "MyBitdefender" with a "Log in" button, and also says "Not logged in, 29 days left". So maybe it works 100% for 30 days (trial?), then doesn't do updated, etc unless you create a "MyBitdefender Account"?
Hummm ... I had no idea that was the case. Anyone else know about this?