User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3a) Gecko/20021214 Phoenix/0.5 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3a) Gecko/20021214 Phoenix/0.5 I've got 2 monitors in Win XP, extended to my second monitor. When Mozilla/Phoenix is on the secondary screen and I press F11, the browser disappears along with the taskbar. It does work on the primary monitor. Reproducible: Always Steps to Reproduce: 1. Drag browser window to secondary screen 2. Press F11 3. Actual Results: Browser is gone, can't be found anywhere. Taskbar is also gone. By pressing F11 again, you can get the browser back into normal mode. Expected Results: Browser should have been in full screen mode, no window title etc. This bug has been there for a while.
*** This bug has been marked as a duplicate of 127575 ***