The registry on Windows is a database or a collection of information about the computer’s hardware and software. It’s used to store the configuration of the software installed on the system, the hardware, and other settings contained in the system that the user has set.

The registry is a good way to monitor the software and hardware in the system. All the software is organized according to the user profiles. To change or modify the registry, one needs to be well versed with it’s operations.

The registry is liable to become corrupted by malware, and constant installation and removal of software. This is because some software doesn’t remove them from the registry.

Adware refers to software that is downloaded to the system and displays ‘pop-up’ advertisements on the screen. There are many sites that allow users to download programs free of cost in return for permission for adware to install on their system. This permission is usually hidden in the ‘terms and conditions’ or ‘agreement’ the user agrees to when downloading the software.

Adware are Spyware monitors the user’s activity on the Internet and the type of software the user uses on the computer. These Spyware do affect the smooth operation of the computer by slowing down the system. They can be removed with anti-Adware or anti-Spyware in addition the registry must also be cleaned.

The registry can be cleaned either manually using Windows Registry Editor, or by use of registry cleaning software. Cleaning your computer registry manually is a job for experts. The system may become corrupted if the wrong registry entries are either removed or edited wrongly.

To manually clean your registry using the Windows Registry Editor, first backup the registry, and then remove unnecessary files:

• On the desktop, click the Start button.
• 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

Click on the plus sign to expand a section of the registry editor. A good place to start is usually “HKEY_LOCAL_MACHINE.” This area is used to make registry changes to hardware and software.

If you are not well versed in how the registry works, you should use registry cleaning software. There are many registry cleaning programs available. These include TweakNow, Regcleaner, Registry Healer and Registry Mechanic.

These programs scan your registry and remove errors such as missing references to files. They will all give you a list of results of what entries are safe. Some of them, such as Registry Mechanic, will allow you to create a backup using their program. The backup can be easily restored if the system becomes unstable.