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Unable to install device driver - TBIA Error: Access Denied
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Q: I am trying to install my M-Audio device in Windows Vista or Windows 7 and I am getting an error message stating "We were unable to install the M-Audio . . . Your system has not been modified" or "TBIA Error: Access Denied".  How can I install the drivers?

A: Disable User Account Control.

Windows Vista: Go  to the Start Menu>Control Panel; with Classic View  enabled, click "User Accounts", then click "Turn User Account Control on or off".  Click "Continue" on the User Account Control window that appears, remove the check from the box "Use User Account Control (UAC) to help protect your computer" and click OK.  Click "Restart Now" to restart and you should be able to successfully install your M-Audio device drivers.  Once the drivers are installed you can repeat this process and place a check back in the box to enable User Account Control (UAC).

Windows 7: Go to the Start Menu>Control Panel; with Small Icons view enabled, click "User Accounts", then click"Change user Account Control Settings".  Move the slider all the way down to Never Notify".  Click OK.  Click the pop-up ballon to restart your computer and you should be able to successfully install your M-Audio device drivers.  Once the drivers are installed you can repeat this process and place the slider back in its previous position enable User Account Control (UAC).