In a nutshell, PC Optimizer Pro makes your computer run faster and prevents up to 90% of Windows crashes. Once your PC is clean of registry errors then you will absolutely notice an end to slow, frozen, or unpredictable operation. In fact, if your system is already crashing or seizing up for no apparent reason, then you need PC Optimizer Pro right now! PC Optimizer Pro is a suite of automated system-maintenance and optimization utilities which tune up windows performance. It removes junk files to save valuable disk space and prevents application crashes.