Strange, I tried resetting webUI to default, with "esc", but it just hangs at "Reloading..." EDIT: Nothing shows up in the webUI Logger, but when I cehck my FireFox Error Console I get: Error: [Exception... "An invalid or illegal string was specified" code: "12" nsresult: "0x8053000c (NS_ERROR_DOM_SYNTAX_ERR)" location: "file:///C:/Program%20Files%20(x86)/Mozilla%20Firefox/ modules/WindowsPreviewPerTab.jsm Line: 308"] Source File: file:///C:/Program%20Files%20(x86)/Mozilla%20Firefox/modules/WindowsPreviewPerTab.jsm Line: 308 Warning: Unknown property '-moz-opacity'. Declaration dropped. Source File: http://##.###.###.###:8080/gui/stable.css Line: 1 Warning: Unknown property 'zoom'. Declaration dropped. Source File: http://##.###.###.###:8080/gui/main.css Line: 1 Error: preview is undefined Source File: file:///C:/Program%20Files%20(x86)/Mozilla%20Firefox/modules/WindowsPreviewPerTab.jsm Line: 340 Error: this.preview is undefined Source File: file:///C:/Program%20Files%20(x86)/Mozilla%20Firefox/modules/WindowsPreviewPerTab.jsm Line: 349 It might possibly be due to me using FireFox 3.7a1pre, but not too sure.