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Update 29, side menu won't open.

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  • 18 have this problem
  • 2 views
  • Last reply by cor-el

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After the update last night, the newly added side menu worked fine. However this morning when I clicked on the side menu button nothing happened. My cursor is able to have a hover effect on the button but when I click the button the drop down menu does not occur. I have tried disabling many of my extensions as well as restart Firefox however my problem still persist. My options are limited as I am unable to access any configuration from the menu.

After the update last night, the newly added side menu worked fine. However this morning when I clicked on the side menu button nothing happened. My cursor is able to have a hover effect on the button but when I click the button the drop down menu does not occur. I have tried disabling many of my extensions as well as restart Firefox however my problem still persist. My options are limited as I am unable to access any configuration from the menu.

Chosen solution

Hi simon1023, Were you using the classic theme restorer before? Also I am not sure how you added a side bar in version 29, can you please provide the steps on how to do this, this will help further troubleshoot.

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Chosen Solution

Hi simon1023, Were you using the classic theme restorer before? Also I am not sure how you added a side bar in version 29, can you please provide the steps on how to do this, this will help further troubleshoot.

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What toolbar button are you referring to?

Is that one of the default button that Firefox comes with or one added by an extension?

Can you attach a screenshot?

Use a compressed image type like PNG or JPG to save the screenshot.


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
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What I meant was the tool bar added to the right side of the browser after Update 29, I managed to be able to open safe mode after accessing the old menu bar by right clicking the tab section. Originally I couldn't even access safe mode as the update 29 drop down bar was not opening. Safe mode fixed my problem so clearly one of my addons was conflicting with the update.

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That is the new 3-bar Firefox menu button that has replaced the orange Firefox menu button.

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