We do face lot of problem with our personal computer every day like software bug or malware problem which crash the operating system, but at times the computer will crash even though we have a latest malware production that updated daily. There might be some hardware problem such as over heat or problem with your SMBS that supply the power for the CPU. If your computer is facing over heating problem then you might be in need of cooling fans, axial fan and ball bearing fans that many not are in working condition. I recommend addition cooling fans if the computer is over heated.