Quote:
MMC cannot open the file C:\Windows\system32\gpedit.msc.
Home Premium has no gpedit (M$ uses it as another means to convince ppl to buy the pricier Ultimate version)
you'd have to google the right options and enter them into the registry by hand
But that wouldn't solve your problem.
If it's really caused by overheating, try to clean the insides (canned air etc), take back any BIOS changes (overclocking ?) and make sure the air circulation isn't blocked etc.
-DG