I just built my system this past week and whenever I go to run CPU-Z or Core Temp, my system randomly restarts. Sometimes it will restart if I run them both and sometimes it won't, but it seems to occur most of the time when I run them both at once. Everything else on my system has been running fine but those 2 programs always cause my system to restart. Is there any reason why this would be happening?
I don't see any errors in the event viewer and it still restarts even after I updated my BIOS. I can always get it to happen if I run Core Temp, log off, and as I go to try and log back in again my system will restart. I haven't had it restart except when I try and run programs that gives me detailed info about my system (CPU-Z, Core Temp, Asus Probe..ect). I still can't figure out what it is.
Check the system logs again, and look for a memory dump. It might not show up as an error, just a report of a dump or a mini-dump.
If there is mem dumps, the memory is either bad, or is overclocked too much. I had this same issue, and first blamed it on my old 300W PSU thinking it was being overdrawn.
Found the dump errors, and tested the memory. Memtest ran for a few minutes fine, but a Eurosoft PC Check test failed both sticks running at 208 mhz. I down-clocked it a little so they would run at 200 mhz (DDR 400) where they're supposed to be and they both passed, and havent had a problem since.