problems installing NW04 sneak preview (java)

hi,

when i run the SAPinst.bat, the status window SAPinst opens up and says this:

"SAPinst is getting started.

Please be patient ...

guiengine: call to bind() for socket 632 failed. No such file or directory

ERROR 2005-08-11 22:55:00 [iaxxgenimp.cpp:532]

init()

FGE-00006 Attempt to open a communication port connection failed. Check whether the port 21212 is already in use.

ERROR 2005-08-11 22:55:00

FCO-00034 An error occurred during the installation. Problem: error in GUI server subsystem.

Exit status of child: 1"

can someone help?