What is Complete Registry Cleaner? Complete Registry Cleaner is a Utilitaire software to make your computer run smoother and faster. How does Complete Registry Cleaner achieve this? Complete Registry Cleaner achieves this by cleaning and compressing the registry. What is registry? Registry is a Banque de données where Windows and programs store their data. Why do I need to clean the registry? When data changes i.e. you delete a file, the registry doesn't remove the invalid data, thus in this case a reference to a non-existent file remains in the registry. As the registry gets filled with invalid data, Windows and programs consume more Système resources to search the Banque de données for any data. Therefore your computer gets slower and slower. Last but not least, passing invalid data to Windows programs can cause severe Système complications resulting in Système crash, hang and malfunction. Why do I need to compress or defrag the registry? After a registry cleanup the invalid entries leave empty spaces, which means the Taille of the registry remains unchanged. It goes without saying that loading a small registry is faster than a big one. What are the minimum requirements to run Memory Defragmenter? Complete Registry Cleaner runs on all versions of Windows and doesn't have any significant Système requirement. One-click disk clean up, scandisk, disk defrag, registry backup, registry cleanup and registry defrag (requires Abexo defragmenter).