Today’s update avast premier March 20, 2017 in win7 32bit system failure causes constant (blue screen) and then reboot … :‘( :’(
See: https://forum.avast.com/index.php?topic=199176.0
https://forum.avast.com/index.php?topic=199176.msg1379347#msg1379347
https://forum.avast.com/index.php?topic=199176