I purchased a new battery and installed it. No difference. I even had the old one checked and it was still good. My computer is only two years old.
I did have some problems with a memory test. I tested all 4 sticks separately and found the third slot or bank was producing a memory error. Since I've removed the stick from that slot, memory checks out okay.
I have scanned for viruses with Windows Defender and Windows Care. Seems to be no problems there.
I checked the power supply via the BIOS settings, It shows voltage being just under 12 watts. Not sure what that means as I have a 600 watt power supply.
I'm starting think possible motherboard failure.
First person that solves this mystery gets a free beer! :-)
System specs: ASUS P5N-E SLI motherboard, Vista 64, Quad Core
[email protected], ASETEK liquid cooled, 4 GB DDR2 Crucial Ballistic RAM, 1 DDR2 GB Buffalo RAM, Nvidia 8800 GTX