Following error messages are displayed while launching console:

Or

This phenomenon is caused by User Account Control (UAC) in Windows.
Workaround
One of the following workaround can be used.
1. Turn User Account Control (UAC) off
Refer to the following Microsoft KB to know how to turn UAC off.
Turn User Account Control on or off
http://windows.microsoft.com/en-us/windows/turn-user-account-control-on-off#1TC=windows-7
or
Use Msconfig to Disable and Enable UAC
http://technet.microsoft.com/en-us/magazine/dd296719.aspx
2. Launch Backup Exec Administration Console by "Run as administrator" if the administrator password can be used.
Applies To
Backup Exec
User Account Control (UAC)
Backup Operators group (non-administrator)