system
4
Confirmed, it’s a false positive. Avast messed up.
To be more exact, looking at the LoL forums, avast messed up more than thousands of games. Expect a wave of tickets.
Here’s a fix someone else posted:
http://forums.na.leagueoflegends.com/board/showthread.php?t=3827647
And this is after using avast for more than a year alongside League…