same problem,, keeps crashing and blocks firefox and several other programs , had to reinstall several times , keeps screwing up and reseting my settings,, good up to date pc, with windows 7,, 'avastclear' worthless just runs in circles does NOTHING ! , CANNOT UNINSTALL WITH ANY OTHER UNINSTALL PROGRAM , blocks ' recovery' program and resets itself ,, installed diff vendor and now it keeps trying to block other antivirus program,, want it GONE ! ! ! want money back, worthless program ! !