There are mainly two causes of the “Computer Freezes Randomly” problem: software problem and hardware problem. Now let’s diagnose and solve the “Computer Freezes Randomly” issue step-by-step.

Software Problems:

• System Errors:
  If your computer freezes ramdomly, in most cases you’ve got system errors. These errors include: Windows Errors, Corrupt Registry, Memory Dumps, Incorrect Java Program, Startup Overload and so on.

  Solution:
  Use “Perfect Optimizer” to repair these errors. This great tool will fix all the errors above in a few clicks. Install the software(Click here to free download) and run it. Then click “Repair All” button is ok.

• Virus & Malware:
  Virus and malware may cause harm to either a computer system’s hosted data, functional performance, or networking throughput to make your computer freezes randomly. If you got a virus or malware, you should remove it ASAP.
  Solution: Download AVG Free and scan your computer. Download here (absolutely free): http://free.avg.com/download?prd=afe#tba2

Hardware Problems:

• Thermal problem.
  CPU overtemperature protection makes the computer freezes randomly.
  Solution: Open your case to see if the CPU fan is working well.

• Hardware loose contact also causes the freezes issue.
  Solution: Unplug and replug the memory stick, video card and video cable.

• Bad Hardware:
  The other chance to get “freezes randomly” is that you have a bad hardware.
  Solution: Replace your bad hardware. If you have no expertise in this area, you’d better call a technician.