Hi,
Well i put the beta version to see if the problem shutdown is gone.
It seems to be ok.
But still have since the two last version May and June a conflict with windows installer.
since 3 week i noticed that all avaliable update couldn't be installed still error message.
Worth when i wanted to uninstall something error with windows installer.
So i erase with clear avast the last version on safe mode.
And try the beta no pb with shutdown, but still the conflict with windows installer, no update are possible and no " donwgrade of windows component are possible still message " windows installer stop working ".
I'm ready to send files dump or what are need to some tk avast to help me and maybe help everybody who have this bad issue.
Thanks for your help.
Gerald