In Netweaver 2004 Installation Errors

ERROR 2013-06-25 21:54:08 [syxxsyshlp.cpp:78] syslib::printOSError(const iastring &, int, DWORD, const iastring &, CMessage::eLogMessage) FSL-00001 System call failed. Error 5 (Access is denied.
) in execution of system call 'FindFirstVolumeMountPoint' with parameter (\\?\Volume{91a914e6-d9f3-11e2-b5a5-806e6f6e6963}\), line (91) in file (synxcfsmit.cpp).
TRACE [iaxxejsbas.hpp:388]
handleException()
Converting exception into JS Exception ESyException.
ERROR 2013-06-25 21:54:08
CJSlibModule::writeError_impl()
MUT-03025 Caught ESyException in Modulecall: Access is denied.
. TRACE [iaxxejsbas.hpp:460] EJS_Base::dispatchFunctionCall() JS Callback has thrown unknown exception. Rethrowing. ERROR 2013-06-25 21:54:08
FCO-00011 The step getMounts with step key |NW_Onehost|ind|ind|ind|ind|0|0|NW_Onehost_System|i nd|ind|ind|ind|1|0|NW_GetSidNoProfiles|ind|ind|ind|i nd|2|0|NW_getMounts|ind|ind|ind|ind|0|0|getMounts was executed with status ERROR .
TRACE &l t;p>An error occurred while processing service SAP NetWeaver 2004s Support Release 2 > SAP Systems > Oracle > Central System > Central System Installation. You may now

• press Retry to repeat the current step.
• press the View Log button to get more information about the error.
• stop the task and continue with it later.

Log files are written to C:\Program Files/sapinst_instdir/NW04S/SYSTEM/ORA/CENTRAL/AS& lt;/b>.

TRACE [iaxxgenimp.cpp:1155]