Don't have full details yet as need to pick machine up but engineer has taken out the 2GB RAM that came with it as it originally came with 4GB Ram when machine was from seller, think seller put 2GB...

the engineer fixed it

a) no thermal paste was found on heat sink
b) one of the RAM sticks was having the problem as well

Thanks to all who suggested

Thanks. CMOS battery has been ordered - will advise if problem still persists after install. However the base unit still turned off by itself even doing the scannow in safe mode

Anyone come across this unusal behaviour of my PC? It seems to at random turn off at the base unit; I have to unplug it at the back and then plug it

Could this be Windows 10 problem or the PC?
...

Hello

Please see my You Tube Demo video - when I right click on a file within File Explorer on Windows 10 it crashes; here is a video demo of the crash - as you can see the Bar down the bottom is...