Matt has worked for a large UK broadband ISP for a number of years. He mainly specialises in server support and web related technologies. Not to mention that Matt has been with us since the birth of http://talkbroadband.com back in 2001!
Before making any changes to the Windows registry, you should always back it up first. There are a number of ways to do this, see below for the most popular method these days:
Step 1: Click on the Windows "Start" button and click on "Run".
Step 2: In the "Run" dialog box type in "regedit" and click "OK".
Step 3: Now click on where it says "My Computer" on the left hand side. See Screenshot:
Step 4: Bring down the "Registry" menu and click on "Export".
Step 5: You will now be prompted to save your backup file. Choose a location, name the file and click "Save". In the below example I saved the backup file in a folder called "backup" and named the file "regbackup".
Your Windows registry will now backed up within that file, so remember what and where it is!
Matt has worked for a large UK broadband ISP for a number of years. He mainly specialises in server support and web related technologies. Not to mention that Matt has been with us since the birth of 
Your Windows registry will now backed up within that file, so remember what and where it is!