Arun2
1
Eddy
2
Wat OS/SP ?
What exact version of avast ?
Any other security (related) software installed ? (or was there)
Already performed a repair of avast ?
Already performed a clean installation of the latest avast ?
bob3160
3
What was the file that you tried to open ??? This sounds like a file association problem.
What makes you think it has something to do with Avast ???