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When my firefox is expanded to the maximum window size, white bar appears across the top, how do i fix this?

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  • के द्वारा अंतिम प्रतियुतर triplebf1

triplebf1
triplebf1
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A white bar about 1" thick will appear horizontally across the top of my screen when i expand Firefox to the window.

When i click around in the white box it's as if I'm clicking on my desktop.

I have tried safe mode and this is not a problem on anything other than Firefox. 

I'm also running dual screens and when I move Firefox to the top screen and maximize, it has no problems.

Picture provided.

A white bar about 1" thick will appear horizontally across the top of my screen when i expand Firefox to the window. When i click around in the white box it's as if I'm clicking on my desktop. I have tried safe mode and this is not a problem on anything other than Firefox. I'm also running dual screens and when I move Firefox to the top screen and maximize, it has no problems. Picture provided.

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triplebf1
triplebf1 प्रश्नकर्ता
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pic didn't upload with the question...