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Browser window shows black squares and lines, toolbar diappears when resizing

Since updating to Firefox 40.0 (in OS X 10.9.5) browser windows and the toolbar show strange black lines and squares when the window is resized. Websites are messed up wi… (閱讀更多)

Since updating to Firefox 40.0 (in OS X 10.9.5) browser windows and the toolbar show strange black lines and squares when the window is resized. Websites are messed up with black backgrounds or disappear beneath a black layer. The toolbar often disappears too, except for the three Mac resize buttons. It renders Firefox completely unusable.

It’s similar to what is described here: https://support.mozilla.org/nl/questions/1071126 and the bug described here: https://bugzilla.mozilla.org/show_bug.cgi?id=1032769

None of the offered solutions or workarounds seems to help. Disabling all add-ons and extensions doesn’t help either. I only use the Default theme.

Solution To my own surprise the issue disappeared completely when I installed and started to use another theme (Simple White)…

So it seems that Firefox’s Default theme has a serious bug?

Asked by Basicsman 4 年前

Answered by guigs 4 年前

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A Firefox theme has overwritten my default

A Firefox Quantum theme I applied has become stuck as the default. I have removed all other installed themes (the broken theme wasn't listed to uninstall). Any window I o… (閱讀更多)

A Firefox Quantum theme I applied has become stuck as the default. I have removed all other installed themes (the broken theme wasn't listed to uninstall). Any window I open applies the theme again, as well as restarting the browser. It seems to have bugged my Firefox Sync as well, as it applies on all of my devices.

Here are some screenshots of the issue, because the forum image uploader didn't appear to work for me.

https://imgur.com/a/K2YmLQI

Asked by DeeBo. 2 年前

Answered by DeeBo. 1 年前

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Tabs glowing bright blue

For some reason, when I started my computer this morning the tabs were all bright blue. When I click on another window and change focus, it reverts to the light gray that… (閱讀更多)

For some reason, when I started my computer this morning the tabs were all bright blue. When I click on another window and change focus, it reverts to the light gray that it should be, however going back resumes the problem. Starting in safe mode does not help, and turning off hardware acceleration does not help. I have restarted both the browser and my computer, and the problem resumes. The only thing that seems to change it, is when I change it to certain themes like space, who completely change the color of it. The default, dark, and light themes all are affected by this bright blue tab bar.

Asked by killerjilk 1 年前

Answered by killerjilk 1 年前