If you’re getting the “Fatal Error occured (5): null” thing:
(From irc, thanks PuyoDead and citricsquid!)
If you’re getting the “Fatal Error occured (5): null” thing, try opening the java control panel and clearing the temporary files.
To open the control panel on windows, either go via Start -> settings -> control panel -> java, or right click the java icon in the system tray.
Does this help?
