Broker installation problems

while installing the broker it was asking for the 6849 port already occupied by other service chage the port,after that i chaged the port i was installing the broker software with the following error
java.lang.nullpointerexception
and also i was not able to see the broker in the windows sevices.
please find the attached screen shots…for more exact error…
webmethods 6.5 Installation.
Any suggestion on this would be appreciated.

Thanks in advance
Vasanth.

Some broker configuration files from a previous installation of Broker still exist. Usually this occurs when you are running Broker on Windows. I believe that the files are in a “webmethods” folder in the windows\system32 directory, but please lookup this issue on Advantage.

M

thank you mark…

Vasanth.