GeSWall supports working together with Windows Vista's UAC (User Account Control). GeSWall ensures that you do not get UAC dialogs for isolated application. UAC pop-up dialog appears as usual if you refuse to isolate an application at GeSWall's notice as illustrated on the figures:
However, GeSWall doesn't support label operations as described in section "4. GeSWall's Labels" when run as administrator with enabled UAC. In that case it displays a notice as on the figure below.
So you should use Untrusted Files browser as described in "7.6 Untrusted Files".