How Take Bakup & Restore of Windows Registry

Before make any changes in windows registry take backup first.Follow the following steps for talking backup and restoreBack up the registryManual steps to back up the registry in Windows Vista or in Windows XPWindows Vista
1. Click Start , type systempropertiesprotection in the Start Search box, and then press ENTER.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
2. Wait for Windows to search for available disks and most recent restore points. In the System Properties dialog box, on the System Protection tab, click Create,
3. Type a name for the restore point and then click Create.
4. After the restore point has been created successfully, click OK two times.Note If System Restore is turned off, click to select the local disk, click Apply and then click Create.Windows XP 1. Click Start, click Run, type %SystemRoot%\system32\restore\rstrui.exe, and then click OK.2. On the Welcome to System Restore page, click Create a restore point, and then click Next .3. On the Create a Restore Point page, type a name for the restore point and then click Create4. After the restore point has been created, click Close.Note If System Restore is turned off, you receive a message that asks whether you want to turn on System Restore now. Click Yes. Then, in the System Properties dialog box, click to clear the Turn off System Restore check box, click OK, and then repeat this step.Restore the registryManual steps to restore the registry in Windows Vista or Windows XPUse System Restore to undo registry changes in Windows Vista or in Windows XPWindows Vista1. Click Start , type systempropertiesprotection in the Start Search box, and then press ENTER.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.2. In the System Properties dialog box, on the System Protection tab, click System Restore,3. In the System Restore dialog box select Choose a different restore point, and then click Next4. Select the restore point that you want to use, and then click Next.5. Confirm your restore point, and then click Finish System restore restores the selected Windows Vista configuration and then restarts the computer.6. Log on to the computer. When the System Restore confirmation page appears, click OK..

1. Click Start, click Run, type %SystemRoot%\System32\Restore\Rstrui.exe, and then click OK.
2. On the Welcome to System Restore page, click Restore my computer to an earlier time (if it is not already selected), and then click Next .
3. On the Select a Restore Point page, click the system checkpoint. In the On this list select the restore point area, click an entry that is named "Guided Help (Registry Backup)," and then click Next. If a System Restore message appears that lists configuration changes that System Restore will make, click OK.
4. On the Confirm Restore Point Selection page, click Next. System Restore restores the previous Windows XP configuration and then restarts the computer.
5. Log on to the computer. When the System Restore confirmation page appears, click OK