Many of these tips do not require editing the registry in Windows Vista, a parameter storing configuration information is generally accessible via the main interface of Vista. Editing the registry can have disastrous consequences if you change wrong values, so it’s always a good idea to back up the registry first. This backup can be restored easily, enabling it to undo the changes made incorrect.
Back up the registry in Windows Vista:
Open the Start menu and type “regedit” into the search box. Press Enter.
Highlighting the team in the left pane.
Go to ‘file \ export.
Choose a location on your computer to save the backup registry. The location is better than the removable storage like a USB disk or on a separate physical disk from the Windows directory, but will do so anywhere in a hurry. Give an appropriate name of “registrybackup08.
To import the image of the record (and undo the changes made since then), take the first steps above to open regedit, then click on “File \ Import and load the file you just created