PC Health Doctor is the easiest and most comprehensive way to keep your PC running smooth and error free. It has following tools:
Privacy Protector protects your privacy by removing all the unwanted traces in your system. System cleaner removes junk and obsolete files from your system.
Manage AutoRun Programs lets you control which program should be run at startup and logon. Memory Optimizer optimizes the Memory Management of Windows.
Find Duplicate Files : Finds and Remove the Duplicate Files from your system.
With Backup and Restore tools you can backup your system registry and restore it in case of System Failure.
Regclean : Regcleaner cleans the windows Database Registry.
Registry defrag optimizes registry by defragging it.
Secure Delete Files and Folders : Secure Delete lets you safely erase deleted data so it cannot be recovered again.
Securly Delete the Disk Drives, free disk space, unused folder entries, or complete disk wipe using secure algorithms.

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