CleanMyPC Registry Cleaner
Clean Registry with ease and boost your system performance.  

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Registry Cleaner Online Help

Registry Cleaner Main Help Index

Usage of Registry Cleaner

Registry Scan & Clean

The Windows registry is a database repository for information about a computer's configuration. The registry keep growing when you use Windows. As it does so, it attracts obsolete and unnecessary information, and gradually becomes cluttered and fragmented. With the growing of the registry, it can degrade the performance of the whole system and cause many weird software problems. Use this product regularly to make the registry error free and boost your system performance!

Scanning: To start the registry scanning, click the "Check For Problems" button. After the scanning is done, you can click the view details link to view the detailed information for each registry problem the product found.

Reviewing the found problems: You can click the View Details link to view the detailed information of each problem. If you don't want to fix a specific problem, just clear the checkbox before it and then that item won't be fixed. (By default, the program fix all problems it finds)

Fixing: Click "Fix selected problems" to fix the problems found in the scanning process. (If you have cleared an item, then that item won't been fixed)

Registry Backup/Restore

Most of the Windows internal configuration information is stored in the Registry. It is critical to have up-to-date, reliable backups of this information. You can backup/restore your Windows Registry here.

To do backup, click the Registry Backup button and you will be prompted to choose a file to store the backup. After that, the tool will backup your whole Windows Registry and store them in a single cab file you selected.

To restore the Windows Registry from an earlier backup by this program, click the Registry Restore button inside the program and select the cab file. You will be prompted to restart your Windows after the restore is about to be completed. Please restart the system upon request to complete the restore.

Registry Defrag and Registry Compact

During the normal operation of a Windows system, registry data is constantly being written to and removed from the registry. Over time this data becomes scattered within the registry file and when information is deleted from the registry holes are left which fragment the data within the registry. Registry compacting optimizes your registry by removing gaps and wasted space, thus improves the whole system performance.

Startup Organizer

There are many programs which will be automatically started when you start Windows. After your system has been used for years and you have many application installed, you will feel your Windows starts slower and slower. Part of the reason is that there are too many programs which will be started up automatically. Among them, some programs are no use at all and you will never need it. Further more, some Spyware/Adware and Trojan also put themselves in the startup list. It's a good habit to keep the startup items minimal and only start program which is really necessary.

Startup organizer view displays all programs which will be started when Windows starts up. By selecting the item in the list, you can view the detailed information about the item in the bottom pane. If you don't need a specific one during startup, just clear the checkbox before the item to disable it.

Internet Explorer BHO Organizer

A BHO is an add-in program for Internet Explorer. Some BHOs are legitimate and add some cool functions to IE, but there are also some BHOs which are adware or spyware (They do things like monitor the websites you visit and report this data back to their creators) The following list displays all Browser Helper Object (BHO) which will be loaded when you use Internet Explorer (IE). If you don't want a specific one, just clear the checkbox before the item to disable it.

Tip: The safety column in BHO organizer will mark whether the specific BHO is safe based on our internal list. If a BHO is a known Spyware, Adware or Trojan in our database, we will mark it as dangerous in the safety column and it is strongly suggest you to uncheck that item in BHO organizer to disable it. There are 3 state for the safety column: Safe, Dangerous, Unknown. Safe means it is safe to use it and it is not Spyware/Adware or Trojan based on our database. Dangerous means that BHO is known Spyware/Adware or Trojan. Unknown means that BHO is not in our database yet.

Application Settings

How to Get Online Help

The product is very user friendly and you can get help for it in many places.

  • In the head part of the right pane of each window, it briefs for what the main functions are of that window.
  • In the right-top of the application window, there is a help icon, click the icon to get the help document for the current operation.
  • You can also press F1 in any place of the application to bring up this document.

If your questions cannot be addressed in the online document, please feel free to contact us at and we will be glad to assist you.

Registry Cleaner Main Help Index

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