Typically, PC errors occur when some entries in the registry are causing the computer to function in a way that is in-congruent to a particular operation.  The faulty instruction sets making the PC unable to perform are cause by corruption in the registry.

While it is true a virus or spyware or other type of malware could be behind the registry corruption, this corruption has to be removed before the computer errors will stop.  Naturally, it is wise to run a virus/spyware scanner frequently.  However, in recent years it has also become necessity to also run a registry cleaner periodically.

photo credit: adria.richardsTypically

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