I have recently came accross an avast update problem. I have installed avast in windows wista and after the installation i couldn’t update the program.
I kept getting a failure to connect to server error, something like a timeout. After checking about internet connectivity and firewall settings i couldn’t find the root of the problem.
Control Panel -> Add/Remove programs -> avast -> change/remove program -> and then select the repair option and click next
The avast installation will be repaired and then it updates succefully.
That’s all for now.