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Suddenly with Win 10 Firefox opens in taskbar but will not maxamise to display the page

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  • Last reply by FredMcD

s5592c
s5592c
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Firefox opens in the task bar, but will not maximize to display the page on the desktop. This started yesterday with no apparent reason. Tried uninstall and reinstall, didn't help. Any ideas?

Firefox opens in the task bar, but will not maximize to display the page on the desktop. This started yesterday with no apparent reason. Tried uninstall and reinstall, didn't help. Any ideas?

Chosen solution

You may have a corrupt xulstore.json file. https://support.mozilla.org/en-US/kb/changes-toolbars-and-window-sizes-are-not-saved

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FredMcD
FredMcD
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Chosen Solution

You may have a corrupt xulstore.json file. https://support.mozilla.org/en-US/kb/changes-toolbars-and-window-sizes-are-not-saved