Servicemix: could not start under Windows XP due to infinitive wait for lock

I got looped during ServiceMix start

2010-11-23 14:49:32 org.apache.felix.karaf.main.SimpleFileLock lock
INFO: locking
2010-11-23 14:49:33 org.apache.felix.karaf.main.SimpleFileLock lock
INFO: locking
2010-11-23 14:49:34 org.apache.felix.karaf.main.SimpleFileLock lock
INFO: locking
2010-11-23 14:49:35 org.apache.felix.karaf.main.SimpleFileLock lock
...

SerivceMix tries to lock certain files to mark it's instance run. If you have an error shown above search for SeriviceMix process in memory and kill it.