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Firefox remains on task bar along with any webpage I try and open, won't maximize.

  • 3 replies
  • 1 has this problem
  • 10 views
  • Last reply by FredMcD

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I've reloaded Firefox about 4 times now, still heads to task bar and won't maximize. You can see the pages when you put your cursor over the Firefox icon on the task bar but will not open or close page, I have to go to task manager to close.

updated may 15, 2017, problem solved, see below.

I've reloaded Firefox about 4 times now, still heads to task bar and won't maximize. You can see the pages when you put your cursor over the Firefox icon on the task bar but will not open or close page, I have to go to task manager to close. updated may 15, 2017, problem solved, see below.

Modified by Alexwin

Chosen solution

Thank you for trying but I found the answer on youtube. If you hit the windows key + P , then select PC Screen Only, it corrects the problem. I hated using the edge, so nice to be back with firefox, feels like home

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All Replies (3)

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It sounds like the Firefox window is opening outside the viewing area of your monitor.

The easiest thing to do is; Right-click the Firefox icon and select Open New Window. Once the new window is open, close the original window. Then, after about 5 seconds, close Firefox.

or you can;

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

Close Firefox. Open your file browser to this hidden location:

  • Mac: *~/Library/Application Support/Firefox/Profiles
  • Linux: *~/.mozilla/firefox/Profiles
  • Windows: %AppData%\Mozilla\Firefox\Profiles
  • *C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles

Search for the above files. Then rename or delete them. Restart Firefox.

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Chosen Solution

Thank you for trying but I found the answer on youtube. If you hit the windows key + P , then select PC Screen Only, it corrects the problem. I hated using the edge, so nice to be back with firefox, feels like home

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That was very good work. Well done. Please flag your last post as Solved Problem so others will know.