Arestore.exe

I have a backup that the normal NORTON Backup Restore down not fine the Backup Set.  When I run ARESTORE from the Drive the Backupset is on, it will show it, but it opens in a window that is too small to see ANY controls other then the file list. (The button to start the restore is not visible). The window is fixed and not large enough to show the button.  I need a way to resize that window, or a hot key combo to start the restore. Using ARESTORE the "Backup" set will list in the dropdown as "Unknown". Selecting that entry takes a while, but the files I want to restore will list.