New
#11
Ok I agree with what Mellon Head has been saying and in addition I would run some basic scans to start with
SFC /SCANNOW Command - System File Checker - Windows 7 Help Forums
Disk Check - Windows 7 Help Forums < if necessary include the /f and /r in the command line as per Option2
if no change then try these
SUPERAntiSpyware | Remove Malware | Remove Spyware - AntiMalware, AntiSpyware, AntiAdware!
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AdwCleaner Download
ADW download from bleeping computer delete any rubbish found with the malware scans
NB If anyone who has Kaspersky as their security they may find it will not like ADW running and to stop the nagging just temporarily disable the Kaspersky while one runs ADW
Now another thing is that I would at the very least disable the AVG AV in fact not being a great fan of it I would dump it for something else because I think it is rubbish.
There seems to be implication (to me ) with the RAM so personally would run a memtest
see this
MEMTEST
Now to make absolutely we are on the same page the memtest linked here is the only*one we recommend and it MUST be run for at least 8 passes or you may as well not bother. It is rather lengthy and best left for a downtime for that machine - overnight is good. Having said that you can stop the test if errors show up while you are around and then it is a matter of tracking down the bad stick of RAM.* RAM - Test with Memtest86+ - Windows 7 Help Forums
(This is pretyped to save time)
The HW Info reports don't really mean a lot to me but if you run the machine on battery a lot can you look at the battery status under Sensors scroll down and look for that report it is only going to tell us the state of the battery but if it is in a poor state running the machine on could cause some of your problems. See pic of what you should look for this is the machine I am on right now.