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"Add ons" page is blank.

  • 3 respostas
  • 57 have this problem
  • 1 view
  • Last reply by cor-el

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I'm trying to download an add on, but when i do, the "add ons" page opens, and its blank. It's been like this for months. I've tried to uninstall Mozilla Firefox, and downloaded again, but it still don't work.

What to do?

I'm trying to download an add on, but when i do, the "add ons" page opens, and its blank. It's been like this for months. I've tried to uninstall Mozilla Firefox, and downloaded again, but it still don't work. What to do?

Chosen solution

Your above posted system details show outdated plugin(s) with known security and stability risks.

  • Adobe Shockwave for Director Netscape plug-in, version 11.0
  • Shockwave Flash 10.0 r45
  • Next Generation Java Plug-in 1.6.0_18 for Mozilla browsers

Update the Java plugin to the latest version.

Update the Flash and Shockwave for Director plugin to the latest version.


Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems

You can delete the files extensions.* (extensions.rdf, extensions.cache, extensions.ini, extensions.sqlite) and compatibility.ini in the Firefox profile folder to reset the extensions registry. New files will be created when required.

See "Corrupt extension files": http://kb.mozillazine.org/Unable_to_install_themes_or_extensions

If you see disabled extensions that are not compatible on the next start in "Tools > Add-ons > Extensions" then click the "Find Updates" button to do a compatibility check.

Ler a resposta no contexto 👍 2

All Replies (3)

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Chosen Solution

Your above posted system details show outdated plugin(s) with known security and stability risks.

  • Adobe Shockwave for Director Netscape plug-in, version 11.0
  • Shockwave Flash 10.0 r45
  • Next Generation Java Plug-in 1.6.0_18 for Mozilla browsers

Update the Java plugin to the latest version.

Update the Flash and Shockwave for Director plugin to the latest version.


Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems

You can delete the files extensions.* (extensions.rdf, extensions.cache, extensions.ini, extensions.sqlite) and compatibility.ini in the Firefox profile folder to reset the extensions registry. New files will be created when required.

See "Corrupt extension files": http://kb.mozillazine.org/Unable_to_install_themes_or_extensions

If you see disabled extensions that are not compatible on the next start in "Tools > Add-ons > Extensions" then click the "Find Updates" button to do a compatibility check.

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Thank you very much! Works now!!! :D

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You're welcome