1 push $0

     2 push $1

     3 

     4 nsSCM::QueryStatus portmap 

     5 Pop $0 ; return error/success

     6 Pop $1 ; return service status

     7   

     8   ;!define SERVICE_STOPPED                0x00000001

     9   ;!define SERVICE_START_PENDING          0x00000002

    10   ;!define SERVICE_STOP_PENDING           0x00000003

    11   ;!define SERVICE_RUNNING                0x00000004

    12   ;!define SERVICE_CONTINUE_PENDING       0x00000005

    13   ;!define SERVICE_PAUSE_PENDING          0x00000006

    14   ;!define SERVICE_PAUSED                 0x00000007

    15   

    16 ${If} $0 == "error"  

    17   nsExec::ExecToLog "$WINDIR\system32\portmap.exe /registerservice"

    18 ${EndIf}

    19 

    20 pop $1

    21 pop $0