CCleaner can remove registry keys and registry values that point to files or programs that no longer exist. It isn’t just a registry cleaner program, as it does not only optimize registry. Undeniably, Ccleaner is one of the most popular registry cleaners among users globally. Find out more about this product in our Advanced SystemCare review. In terms of support, there’s a contact form to send messages. 33 interface languages to select, all working just fine. Automatic updates to the program itself is available too, and can be adjusted to user’s preference. Registry defrag helps to resolve structural errors. Duplicate scan to find unnecessary files that only fill the space. Broken shortcuts scan helps to identify such files in a matter of seconds. Doctor disk to scan a chosen drive for errors and other issues. Backup to store and restore deleted files, just in case. Startup manager to supervise background apps/processes and be able to speed up the system, consequently. Protection feature to guard personal and sensitive data stored on hard drives. Advanced SystemCare contains an array of tools useful for PC repair and other related tasks.

IObit, a well known and established software vendor, offers this utility in two editions, free and paid, plus portable version as well.

Really free registry repair