System shutdown every 20 min

[info.djtechsol]

I have a all in one pc:Make zenith
Which shuts down after 20.
Configuration
i 3 processor,2GB Ram,Runs on Win 7 Pro 32 bit..

My problem is i can't really decide whether its hardware problem or software problem

please help me decide

 

[Petrossa]

Is Windows legal and has it been activated?

 

[info.djtechsol]

Thank you for your Response.
It Was Hardware Problem Processor was heating up so fixed it by applying thermal paste

 

[Petrossa]

Ahh yes, that would be the other option.