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Firefox won't launch

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  • 1 leis an bhfadhb seo
  • 14 views
  • Freagra is déanaí ó FredMcD

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Hi, my firefox doesn't seem to want to launch from the start menu for some reason (when I click it the start menu closes but Firefox does not open and isn't running in the background), however the shortcut that is created on the desktop seems to launch firefox perfectly well. However, when I do open firefox, it has a blank default icon as if its a random program. Could someone help me? This issue is getting quite annoying and tedious and I've had to switch to edge for a while now. I've been using Firefox about a year now and this hasn't happened before.

Steps I've taken:

  • Uninstalled and reinstalled firefox, deleted profile data too
  • Restarted PC

Here is a screenshot of what my icon in the taskbar looks like: https://i.imgur.com/d8uAq8a.png

Réiteach roghnaithe

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Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

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Réiteach Roghnaithe

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Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

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I followed the steps and Firefox is already allowed to access the Internet. (Further confirmed as I was able to go on google, etc). I've attached the screenshot I was referring to in my original post. When I pin the icon to my taskbar, and then close the browser and try to reopen the browser using the pinned shortcut in my taskbar, that also refuses to work. The only way I can open Firefox is through the desktop shortcut created upon installation and that is quite tedious and annoying, so any further help would be appreciated.

EDIT: I uninstalled firefox and turned off my antivirus and restarted my PC. This seemed to fix it.

Athraithe ag thepolite12345 ar

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That was very good work. Well Done. Please flag your last post as Solved Problem as this can help others with similar problems.

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Cuir ceist

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