PC Matic is the collection of all of PC Pitstop’s technologies under one hood and one integrated architecture: removes “junk” files to free up disk space, adjusts Internet settings for better performance, removes invalid registry keys, adjusts several registry settings that can improve overall performance, disk defrag, loads the latest and greatest drivers, cleans computer of spyware and viruses, and run’s multiply benchmarks. Here are answers to common questions about the application.