Many times when you install an application, you may overwrite an important registry key or file. In the same way, when you uninstall an application you may remove a registry entry that is required by another application. This may lead to missing or corrupt registry files and generate an error. A large number of freeware programs available on the internet contain hidden malware such as spyware and viruses that add malicious entries to the registry. Remember, that even a single malicious registry key can corrupt registry files and severely damage them. In due course, the registry gets cluttered, fragmented, and unstable. This deteriorates your system's performance and increases the frequency of system errors and failures. Proper Registry Maintenance: Manual repair and maintenance of the registry is an extremely complex task that only the most technically inclined should take on or you run the risk of losing critical data and personal information or even worse end up with a comp...