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Spectra PC Doctor is a top-ranking error-resolution registry cleaner which will fix the computer errors and optimize the system speed. In normal use, various annoying registry errors will gradually creep into your system, causing problems such as slow speed, crashing or freezing, blue screens, deadlock, error messages etc. Spectra PC Doctor uses the most advanced technology to scan your hard drive and give you a comprehensive diagnosis in seconds. Once the problems have been identified, Spectra PC Doctor offers you a professional and highly efficient solution, which will keep your computer functioning perfectly. By using Spectra PC Doctor regularly, your system should not only be more stable but it will also help streamline your pc registry without expensive hardware upgrades. Professionally designed scan engine will scan your entire registry within a few seconds. A comprehensive error report after scan will list the found registry errors in 20 categories. User is allowed to easily sort the error report according to 10 different attributes. For advanced computer users, it provides more freedom by allowing user to select items to fix by themselves. Spectra PC Doctor will fix all the registry errors that cause system instability, PC errors, crashes, system slowdown, etc.