The database installer reported an error. DIAGNOSIS: Some database applications might still be running

Hi,

this is the error during my netweaver 7.3 installation

An error occurred while processing option SAP NetWeaver 7.0 including Enhancement Package 3 > SAP Application Server ABAP > MaxDB > Central System > Central System( Last error reported by the step: The database installer reported an error. DIAGNOSIS: Some database applications might still be running. SOLUTION: Check the log file sdbinst.log and C:\sapdb\data\wrk\MaxDBRuntimeForSAPAS_install__.log.). You can now:

• Choose Retry to repeat the current step.
• Choose Log Files to get more information about the error.
• Stop the option and continue with it later.

Log files are written to C:\Program Files/sapinst_instdir/NW703/AS-ABAP/ADA/CENTRAL/.

what does this mean ?

anybody could help me ?