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I recently add Firefox for Yahoo on my wife part of my MacBook and the next day my Google Firefox went nuts. The next thing I knew was the colors all changed and Yahoo Firefox appeared on my side (user login) of the computer. Help...

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When I installed Firefox for Yahoo, version 4 was installed on my wife's side of our MacBook laptop. She has her separate login and it seems the software installed when logged in as me doesn't show up on her side. Does Firefox have shared support files which are used in common by different users? P.S. the colors went all to hell even when I start Firefox in safe mode (which I'm in now) I can't see data entry boxes etc.

When I installed Firefox for Yahoo, version 4 was installed on my wife's side of our MacBook laptop. She has her separate login and it seems the software installed when logged in as me doesn't show up on her side. Does Firefox have shared support files which are used in common by different users? P.S. the colors went all to hell even when I start Firefox in safe mode (which I'm in now) I can't see data entry boxes etc.

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Check the High Contrast and Reverse Video settings

See:

Option-Control-Command-8 : Invert/revert the screen colors


See also: