I know tha one :) It's a Intel P4 HT 3.0 ghz
Anyone getting that CPU down to 30 degrees must be using liquid nitrogen or something. I have a massive Zalman 80cm fan, alu-copper heatsink and mine never drops below 50. With the stock fan temperatures of 70 or more is absolutely normal. There was plenty of paste from the previous fan but did put a reasonable amount on.
Okay, you may have overdone it. Ideally you should use something like an old credit card or something to scrape off excess paste. You should only apply a very thin layer (thin enough to almost be able to see through). I guess it could be memory related?
You can test that with memtest86+. If you have an Ubuntu or Suse install disc lying around it should be on that, otherwise grab it from the Interweb. on the odd occasion I've used it in the morning and it's clearly rebooted itself without anything major happening.
Yeah - that could just be Windows Update doing that tho'. It does some times.I'm still thinking PSU.