Problem with Localhost and Adobe Media Server 5.0

Problem with Adobe Media Server 5.0 not working  correctly on lochalhost.If run a swf that connects to FMS on a localhost  it connects corrlectly the first time .. If I then try to run the same swf the connection Fails.If I stop the FMS and restart.It will connect correctly the first time then fail again on second try.The swf works correctly on the web,its just a Localhost issue.... any help would be appreciateed.