i uninstalled avg 8, and it is running fine again,i downloaded avast and it's still running fine.it did a full scan of the hard drive and it found a problem with the hot key,and asked me if i wanted it repaired,i said yes and so far no problems at all,i also like the voiceovers you receive from them telling you when their going to do a scan and when it's finished.
Thanks to all of your advice..