Vista 32 - Comodo 10 Firewall - Firefox 51.0.1 32bit - Win def and fw disabled
Uninstalled in safe mode using Avast clean tool.
Avast free clean installed (online installer):
1 - i can not import configuration of the same Avast free version (17.1.2286 previusly installed and uninstalled)
2 - quick scan (i did not test full scan)
a. while scannig, if you close the main window and then click detail on the little scanning window at the bottom, the re-called main scanning windows do not refresc correctly.
b. If quick scan is completed while in little windows (right bottom), click detail, click any spot of main scan window and scan will start again.
c. No sound when scan completed
3 - Smart scan restart when you click detail