I hope this works for you guys. I bought a new computer with Windows Vista Home Edition and it came with Mcafee. I uninstalled the Mcafee and restarted my computer. I installed the AVG free edition antivirus. The resident shield wasn't working so I reinstalled choosing the repair option. I then started Limewire and IT WORKS GREAT. I really don't care if I ever reinstall Mcafee as long as I have an antivirus program. My daughter bought the same computer and it worked on hers also. I had already updated to JRE6 before I tried this so I don't know if that was necessary but I do know even with updating the java Limewire did not work before I uninstalled Mcafee. So obviously it isn't Windows Vista that causes the problem with Limewire..