How to Disable Windows Vista Backup

Once you have configured Windows Backup to run automatically, why would you ever want to disable it? Well, perhaps because you know you are going to need to get some work done when the backup would normally run. You have no way to postpone a backup, but you can turn off the backup program, essentially disabling automatic backup. Follow these steps:

1. Open the Backup Status and Configuration window.

   
   

   From the Start Menu, All Programs→Accessories→System Tools→Backup Status and Configuration.

   
   



2. Choose the Back Up Now button from the left side of the Backup Status and Configuration window.

   
   



3. Click the Turn Off button, found at the bottom of the window.

   
   



4. If you’re assaulted by a UAC warning, click the Continue button or type the administrator’s password.

   
   



5. Close the Backup Status and Configuration window.

   
   

To resume the backup schedule again, click the Turn On button, which conveniently replaces the Turn Off button in Step 3.

• Backup programs don’t run when you turn them off.

  
  



• Turning off the backup program is one way to suppress the continual pop-up messages about missing the backup. For example, on your laptop, you may want to turn off the backup program when you are on the road. Upon returning home, you can turn on backup again.

  
  

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Source:http://www.dummies.com/how-to/content/how-to-disable-windows-vista-backup.html