The Windows registry is a database of all the information about the computer and the software installed on the computer. The main purpose of the Windows registry is to store the configuration of the different software programs installed on the computer, the hardware installed or attached to the computer, and any other special settings the user has implemented. A computer's registry is an efficient way of monitoring the different software and hardware components. For example, all the software programs are organized based on user profiles. It is also a delicate place to fiddle around without proper knowledge. One needs to be well equipped with registry handling information in order to configure/modify the computer’s registry.
The computer's registry can become corrupted by spyware and viruses. In addition, with continually installing and removing software, not all programs will remove themselves cleanly and completely from the registry.
There are two main ways to clean up a computer's registry – cleaning manually using the Windows Registry Editor, or using registry cleaning software. Manually cleaning your computer registry should only be attempted by someone who understands what the registry entries mean. Software programs can cease to function correctly if essential registry entries are removed.
The Windows Registry Editor
To manually clean your registry using the Windows Registry Editor, first create a backup of the registry, and then remove unnecessary files:
- On the desktop, click the Start button on the left bottom corner of the taskbar
- Click Run
- Type regedit in the new Run window. Click OK
- At the top of the window, click File on the menu toolbar
- Go down and select Export
- Type a name for the backup file, and click Save
After creating a backup of your registry, you can go to the left side of the registry editor window and view how your computer is configured.
Click on the plus sign to expand a section of the registry editor. A "well-used" area for anyone manually deleting registry files is "HKEY_LOCAL_MACHINE." This area is used to make registry changes to hardware and software.
Registry Cleaning Software
Registry cleaning software is suited for anyone who is unsure about making manual changes to their registry. There are numerous registry cleaning programs available to remove unwanted entries from your registry. Examples of registry cleaning software include TweakNow Regcleaner, Registry Mechanic, and Registry Healer. Our Free Registry Cleaners page is a good source for free options.
These programs all basically function in the same way – they scan your registry and remove errors such as missing references to files. It is important to discover what registry cleaning software works best for your needs. All of them will give you a list of results of what entries or safe or not safe to delete. Some of them, such as Registry Mechanic, allow you to create a backup using their program. The backup can be easily restored if the system becomes unstable.
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