Factors That Affect Your Registry

- Custom Controls: When you install software applications on your pc their respective custom control file locations are registered as new entries in the registry. Most registry cleaner tools will scan and detect invalid entries which lead to files that are not present on your hard drive any more.

- Start Up Programs: this section contains information about the various different applications which execute on windows startup. These pc repair tools will scan this section and repair any paths that no longer exist in their locations.

- Program Locations: When you install a new program on your operating system its location is registered in the registry. These sections will once again be scanned to find out if software applications are no longer present at their locations and will then be repaired.

- Shared DLL's:  "DLL" stands for Dynamic Link Library and is a file which holds various functions which can be called up and executed by various programs. It is common that these types of links become invalid and they will therefore be removed.

- File Extensions: Various different file extensions ( eg.rar ) are associated with specific applications which allow these different files to open or execute. PC Health Advisor will scan this section in order to find any file extensions that are no longer associated with various applications and repair them.

- Program Help Files - Most applications that you install will store help files information at a location in your registry. This are will be scanned and any help files entries which do not appear to be present at their respective locations will be repaired.

- Add/Remove Programs: It is common that sometimes programs which are uninstalled will still leave entries in the Add/Remove Programs list due to the fact that the original program was deleted before the uninstallation attempt. This are will be scanned and all entries that point to non existent applications will be repaired.

- Fonts In Windows: This section contains information about the various different types of fonts that are installed on your system. This are is scanned to ensure that the various fonts that reside in the registry are located in the fonts folder of your operating system.