AVAST WONT work!!!!!!?

ok so i finally decded to insatall a free antivirus i installed avg but realized that wasnt as good as avast and plus it wasnt working for me didnt scan and kept giving me popups that wouldnt go away making uop new viruses lol. then i installed avast cause thats the most reccomended free antivirus but every time i tried to erform a scan it wouldnt let me it would finish the scan and then in the results bar say unale to perform i also didnt like how u couldnt scan all ur files at once it was either files disks oor media. now im using mcaffee and its great but everyone reccomends me use avast any suggestions on how to get it to wrok or is my computer so f ****** up its a los cause

AVAST WONT work!!!!!!?hijack this

Now since its a free antivirus who will give you support or help...not because its free that means that its perfect, you can either download it back or get a paid antivirs like Kaspersky, Norton or McAfee.

Dont use a free AntiVirus stick with McAfee.

AVAST WONT work!!!!!!?liveupdate

GO WITH PAID ...KASPERSKY I USE ..AWSOME ....NOD32 ...IS REALLY GOOD U CAN DOWNLOAD EITHER ONE OF THESE FOR A 30 DAY TRAIL ALL WILL BE WORKING THAN DECIDE TO BUY ....FREE CRAP IS WHAT IT IS ....JUST TYPE IN THE NAMES I SUGGEST WILL TAKE U TO THE SITE ANDTAKE IT FROM THERE ...P.S IF U DO THIS KASPERSKY GO WITH KASPERSKY INTERNET SECURITY 2007 ...HAS ALL FIREWALL ANTI EVERYTHING ....