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Add-on option on tool bar does not work (Version 20)

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howards11
howards11
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I just upgraded to version 20.0 and the ADD-ONS option on the tool bar does not work. I tried using the mouse and the CNTRL-SHIFT-A. Neither works ! How do I access the Add-Ons ? OS is WIN XP Thanks in advance for your help !

~Howard

I just upgraded to version 20.0 and the ADD-ONS option on the tool bar does not work. I tried using the mouse and the CNTRL-SHIFT-A. Neither works ! How do I access the Add-Ons ? OS is WIN XP Thanks in advance for your help ! ~Howard

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cor-el
cor-el
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What happens if you type about:addons in the location bar and press the Enter key?

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe mode start window or otherwise make changes.

It is possible that there is a problem with the file(s) that store the extensions registry.

Delete the files extensions.* (e.g. extensions.sqlite, extensions.ini, extensions.cache) and compatibility.ini in the Firefox profile folder to reset the extensions registry.

New files will be created when required.

See "Corrupt extension files":

If you see disabled, not compatible, extensions in "Tools > Add-ons > Extensions" then click the Tools button at the left side of the Search Bar (or click the "Find Updates" button in older Firefox versions) to check if there is a compatibility update available.

If this hasn't helped then also try to delete the addons.sqlite file.