This is the software publisher's description.

Eusing Free Registry Cleaner is registry repair software that enables you to safely clean and repair registry problems with a few simple mouse clicks.

Problems with the Windows Registry are a common cause of Windows crashes and error messages. Registry problems can occur for many reasons, including references left behind after uninstalling software, incorrect removal of software, missing or corrupt hardware drivers or orphaned start-up programs.

This will significantly increase the Registry size and slow down your computer, because Windows will need more time to load, search and read data from the Registry.

Eusing Free Registry Cleaner will scan your Windows registry for invalid or obsolete information and provide a list of the errors found. After fixing the invalid entries, your system will be more stable and run faster.

For maximum safety, Eusing Free Registry Cleaner will make a backup of the repaired entries. You will be able to restore any changes made using the software by choosing Restore registry backup.