registry editor

Start, run, type in regedit.

**But, be careful editting the registry. Mistakes can cause the system to become unusable. Always backup the registry before making changes!

why no answer

In addition to responce #1, you really should make a backup of your registry before yu start messing with it.
To export all or part of the registry to a text file

On the Registry menu, click Export Registry File.
In File name, enter a name for the registry file.
Under Export range, do one of the following:
To back up the entire registry, click All.
To back up only a particular branch of the registry tree, click Selected branch and enter the name of the branch you want to export.
Click Save.
Note

You can use any text editor to work with the registry files you create by exporting. Registry files are saved with .reg extensions.

It depends what you are trying to do. If you need to amend permissions to the registry. Run REGEDT32 instead of regedit.

Please follow these quidelines:
1) Boot your computer to the command prompt if possible. Run "scanreg.exe" which will ask if you want to create a backup point (which you do).
If you are running XP you can go to "Start/Programs(or All Programs)/Accessories/System Tools" then select System Restore. Select "Create a System Restore Point", select "next", give it a description such as date and time, then click "Create". Once the process has finished click "Close". You now have a proper registry backup in case your editing causes the system to crash!
2) Go to "Start/Run", enter "regedit" and press Enter - for general editing of software keys and non-secure items (which is safer than using the "regedt32" giving you deeper access to the secure keys in the registry).
3) If a problem occurs, you will have an opportunity to restore to a "previously known good" restore point. Just select the one you save above and you're back where you started!

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