Firefox on Windows 7 became an "always top" window

windows windows-7 firefox

Press Ctrl+Alt+Esc to make the window go back normal. It's a Windows bug, introduced in Win 7 or Vista. Happens to "not responding" windows at random.


Restarting in safe mode, then restarting in normal mode worked for me:

http://support.mozilla.org/en-US/questions/924733#answer-324367

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