usually only takes a few minutes:

2 - Double-click on the REG file to open it.
- Next you'll be prompted with a message in a Registry Editor window:






The registry keys contained in the REG file have now been restored to the Windows 7 Registry. If you know where the registry keys were located, you can open Registry Editor and verify that the changes were made as you expected.

5-Restart your computer.

The Windows registry is a database which stores settings and options for the operating system for Microsoft Windows 32-bit versions, 64-bit versions and Windows Mobile.

It contains information and settings for all the hardware, software, users, and preferences of the PC. Whenever a user makes changes to “Control Panel” settings, or file associations, system policies, or installed software, the changes are reflected and stored in the registry.

The registry is actually a big file where a lot of setting can be stored.

This file has been around quite a while and has had different names.

The first windows version that used the windows registry to store settings was windows 3.11 and the registry in that version of windows was called Reg.dat.

In Windows 95 & 98 the registry files are named User.dat and System.dat and are stored in the Windows directory.

Windows ME called the registry files, Classes.dat, User.dat, and System.dat and stored them in the Windows directory.

Finally the newest versions of windows like, Windows NT, 2000, 2003, & XP stores the registry files like this,

The Registry files are stored in %SystemRoot%System32Config:

In summary, the Registry is just a database, albeit an unusual and very important database. It’s no more mysterious than much else in Windows Always back it up before any system changes and you will be prepared if it stops doing its job

You must be logged on as an administrator to accomplish these steps. If you aren't logged in as an administrator, you can only change settings that apply to your user account.


 Click the File menu, and then click Export


In the Save in box, select the location where you want to save the backup copy to, and then type a name for the backup file in the File name box.

The Windowsregistry is difficult to manually modify because doing so can make serious errors on a computer, so it's important to make a backup of the registry before attempting to clean.

Here’s how you can clean the registry and improve your computer’s performance.

4-Cleaning and repairing:  Next, install the application for cleaning the registry. Afterwards, you will need to open the software and determine  the options for cleaning your registry. Each application will have its own interface and will have a number of options for cleaning the registry.

5- If you encounter problems after using the registry cleaner, use the registry restore option which The Microsoft Registry Editor (regedit.exe)

Registry is the database where data of programs and windows is stored. Registry cleaner is software, used to run your computer faster and smoother. It's very important for a smooth running of your computer system. Whenever you remove a file from your system, the registry does not remove this information. Gradually as the registry gets filled up with these databases,

Registry cleaner is the software that cleans up the registry of a computer to optimize its performance and speed . Registry is the place on a computer where the vital data on its configuration and the installed programs are saved to enable the operating systems to make use of the same. It is an applet within the pack of the operating system. It keeps a log of the activities of the P.C. and can be well compared with a concurrently updated check list of the performance list of the system. In

Repair Registry problems and Optimize Windows 7
Over 92% of computers are infected with Adware and spyware. Such software is rarely accompanied by uninstall utility and even when it is it almost always leaves broken Windows Registry keys behind it. Even if you have an anti-spyware tool your Windows Registry might be broken or at least damaged.The developers of those tools are focused on removing Adware and spyware functionality,not every trace of software itself.