Error occured during installation ERP 2005

Dear Expert,

I need urgent help from you.

An error occured while processing service SAP ERP 2005 SP2. Error has come at the stage "Start Central Service Instance" position, installation got stuck processing and given the error

ERROR 2008-05-19 10:22:32

MOS-01011 'F:/usr/sap/D11/DVEBMGS00/exe/sapstartsrv.exe' returned with '-1'.

ERROR 2008-05-19 10:22:32

MOS-01011 'F:/usr/sap/D11/DVEBMGS00/exe/sapstartsrv.exe' returned with '-1'.

ERROR 2008-05-19 10:22:32

FCO-00011 The step createService with step key |NW_Onehost|ind|ind|ind|ind|0|0|

NW_Onehost_System|ind|ind|ind|ind|1|0|NW_CI_Instance|ind|ind|ind|ind|11|0|createService

was executed with status ERROR .

ERROR 2008-05-19 10:26:41

MOS-01011 'F:/usr/sap/D11/DVEBMGS00/exe/sapstartsrv.exe' returned with '-1'.

ERROR 2008-05-19 10:26:41

MOS-01011 'F:/usr/sap/D11/DVEBMGS00/exe/sapstartsrv.exe' returned with '-1'.

ERROR 2008-05-19 10:26:41

FCO-00011 The step createService with step key |NW_Onehost|ind|ind|ind|ind|0|0|NW_Onehost_System|ind|ind|ind|ind|1|0|NW_CI_Instance|ind|ind|ind|ind|11|0|createService was executed with status ERROR .

Could you please give me the solution as an urgent basis.

Regards

Pavel