In general the registry consists of 5 Root Keys that contains file associations all preferences set for current user settings for hardware operating system and installed applications to name just a few. So to cut a long story short it is sufficient to say that PC users have found that the use of Registry Cleaners is a boon to the PC. The registry cleaner software keeps the system running fast and efficiently all the time. The only job left for the user to do is to manually run the Registry cleaner from time to time. In view of this, there are many third-party registry cleaner utilities that are dedicated to scanning and repairing the registry. By default, registry cleaner scans the registry for all types of errors. It also allows users to customize settings and scan for particular types of registry errors, like shared DLL errors, missing fonts, and invalid startup entries. Scan at free registry cleanersry cleaners. This information can include broken links and redundant programs that serve no purpose to the system at all

A registry cleaner such as the XP registry cleaner, the PC registry cleaner, or the free registry cleaner can be downloaded free from the internet and used to scan the registry for faults and errors and clean the registry. Registry cleaner software enhances the performance of the PC by clearing the registry of redundant entries and broken links. The Registry Cleaner also compacts the registry by defragmenting the registry. It does this by filling in the spaces left by removing useless data with the useful data in the registry. So it would suffice to say that a registry cleaner is software that looks for and deletes outdated entries as well as deletes broken links. There are many tens of thousands of entries in the registry that lead to nowhere. Free scan at windows media player internal error message. This information includes data pertaining to all the programs hardware and user permissions on the system.

Maintaining the registry is an important step in keeping your computer healthy. Oh, That Waxy Buildup!
Especially on Windows 95/98 computers, it's common for the registry to grow very large over time, which tends to slow down the computer's startup and can make it unstable. And even on Windows NT, XP or 200x, you can end up with lots of unnecessary registry entries that are created when you install or remove programs on your computer. Sometimes an "orphaned" registry entry can confuse Windows during startup and cause a delay. And in general, slimming down your registry will make Windows run faster.
The REGEDIT command will allow you to view and edit the registry, but if you don't know what you're doing under the hood, just put down that wrench and back away slowly. Specialized programs exist to examine the registry, compare what's in there to what's really on your system, and either correct or delete erroneous entries. See http://www.registry-cleaners-reviewed.info/fix-windows-xp-registry-problem/windows-xp-registry-lookup.php. The registry will need to refer to its records to run a particular program on the users request and it will have to serially go through it's records to locate the information it needs