ERROR 13414 in netweaver 7.02 installation

hi,

i am installing new netweaver 7.02 32 bit of window xp sp 2 os .i am getting error 1314

      (A required privilege is not held by the client. ) in execution of system call 'CreateProcessAsUser' with parameter (, NULL, Program Files/sapinst_instdir/NW702/AS-ABAP/ADA/CENTRAL, &StartupInfo, &ProcessInfo), line (631) in file (synxcchapp.cpp), stack trace: iaxxejsctl.cpp: 272: EJS_ControllerImpl::executeScript() d:\depot\bas\720_rel\bc_720-1_rel\gen\optu\ntintel\ins\sapinst\impl\src\ejs\iaxxejsbas.hpp: 450: EJS_Base::dispatchFunctionCall() iaxxejsexp.cpp: 178: EJS_Installer::invokeModuleCall() synxcchapp.cpp: 228: CSyChildApplicationImpl::start(false) synxcchapp.cpp: 252: CSyChildApplicationImpl::doStart() .)    

did any one overcome of this problem

Any help will be appreciated.