I've used Avast free for a long time. I've just spent over a week trying to find the cause of various BSODs and screen freezes. I tried a lot of things like updating drivers and restoring an image. This version of Avast is buggy there is a on and off problem with the definition update being...
64 bit
antivirussoftware
avast
avg
bsod
comodo
conflicts
definition update
drivers
freeware
malwarebytes
performance
screen freezes
software issues
system restore
system stability
technical support
troubleshooting
user experience
windows 7