Int 2F Fn ACFF  - Qrip/tsr - Uninstall                                     [V]

   AX = ACFFh
   DI = 1092h

Return: AX = status
       0000h unable to remove (interrupt vector hooked by another prog)
       0001h successful
       0002h unable to take over DOS at this time (retry uninstall)

Note:  if DI <> 1092h on entry, QRIP chains the call

See Also: AX=ACF0h