PC HealthBoost keeps your system registry optimized regularly greatly reduces errors, and eliminates more critical problems as well such as crashes. It hunts down and rids shared DLL file problems, the leading cause of DLL and EXE error messages. Over time your system registry becomes bogged down due to regular use, installs/un-installs and the like causing your PC to slow down. Speed it back up with PC HealthBoost. It features ScanSafe technology, startup boost, scan scheduling, and smart update.