Registry Editor is an advanced tool that enables you to change settings in your system registry, which contains information about how your computer runs. Generally, it is best to use Windows controls to change your system settings. You should not edit your registry unless it is absolutely necessary. If there is an error in your registry, your computer may become nonfunctional. If this happens, you can restore the registry to its state when you last successfully started your computer.

(i) If your computer doesn't function properly, there is a chance that the Registry setting must have problems. To check settings, type "scanregw" (Without quote) in the Start - Run.. Dialog box.

(ii) Restore The Registry
Following this procedure will restore your registry to its state when you last successfully started your computer.
1. Click Start, and then click Shut Down.
2. Click Restart in MS-DOS mode, and then click Yes.
3. At the MS-DOS prompt, type
scanreg /restore
4. Restart your computer.

(iii) To export all or part of the registry to a text file
1. Type "regedit" (without quote) in the Start - Run.. Dialog box.
2. Click My Computer to export all of the registry, or click a folder to export only the contents of that folder.
3. On the Registry menu, click Export Registry File.
4. Browse to a location to store the exported file, and then type a name for the new file.
5. The .reg files created by exporting can be edited by any text editor.

(iv) To import all or part of the registry
1. Type "regedit" (without quote) in the Start - Run.. Dialog box.
2. On the Registry menu, click Import Registry File.
3. Browse to the file you want to import, and then click Open.