There are 6 to 8 tests on that page.
Run all of them - but start with the hard drive diagnostics (see below for my reason).
It'd be a shame if we spend weeks troubleshooting this only to discover it's a hardware problem.
As we troubleshoot, we'll narrow down the problem and will be better able to focus our diagnostics/tests.
Looking at the Admin log file, there are many, many disk errors.
If the hardware diagnostics pass, then run CHKDKS /R /F from an elevated (Run as administrator) Command Prompt.
It'll ask you if you want to reboot to run it. Answer Yes and reboot - then let it run.
Your UEFI/BIOS (version 5.03) dates from 2009. Please check at the manufacturer's website to see if there are any UEFI/BIOS updates available for your system. If you are able to install the update through Windows (without booting from an external drive), then go ahead and update it. WARNING - if the computer might shut down during this procedure, please don't do it, as this may physically damage the computer and prevent it from booting.
Only 5 Windows Update hotfixes installed. Most build 10586 (TH2/1511) systems have more than this. Please visit Windows Update and get ALL available Windows Updates.
You have 4 or 5 hard drives. What is the make/model/wattage and age of your Power Supply?
Many, many Windows Live ScreenSaver errors in the WER section of MSINFO32. Please switch your screen saver to a single image and see if that helps.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able. - John
(my website: http://www.carrona.org/
)**If you need a more detailed explanation, please ask for it. I have the Knack
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