These Windows registry keys and files can begin to accumulate overtime and become corrupted as software and hardware is added and removed from your computer. The best way to know if your PC is corrupted with registry errors is by giving your computer a free diagnostic scan. By scanning your PC you'll then know what registry problems your PC may have and then fix them before your computer experiences a potential computer crash . Here's What They're Saying. ERROR DOCTOR has become such a huge hit that tens of thousands of people are now primarily using it to keep their PC's running error free. Read just a few of our user testimonials below. HI, Just a quick note to say how excellent the Error Doctor software is. My PC was constantly crashing and hanging 4 or 5 times per day and I ran spyware doctor and registry mechanic none of which did anything to help. I was on the verge of buying a new PC in the belief it was hardward problems but found your product and ran it. It found a number of Active X problems and device driver issues which it...