Modifying bowser.tabs.closeButtons in about:config has no effect.
Neither does the close tab button toggle in Tab Mix Plus' options, nor changing extensions.tabmix.tabs.closeButtons in about:config.
Neither does disabling Tab Mix Plus or reinstalling Firefox have any effect.
Is there likely to be an easy fix for this?
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Certain Firefox problems can be solved by performing a Clean reinstall. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:
Note: You might want to print these steps or view them in another browser.
- Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
- After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
- Delete the Firefox installation folder, which is located in one of these locations, by default:
- C:\Program Files\Mozilla Firefox
- C:\Program Files (x86)\Mozilla Firefox
- Mac: Delete Firefox from the Applications folder.
- Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory.
- Now, go ahead and reinstall Firefox:
- Double-click the downloaded installation file and go through the steps of the installation wizard.
- Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.
Please report back soon!
Hope this helps!
Thanks for the quick reply.
I assume you mean the "browser" sub-folder? Will this have any effect on my extensions of search plugins?
"...or search plugins"
Start Firefox in Safe Mode to check if one of the extensions (Firefox/Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Firefox/Tools > Add-ons > Appearance).
- Do NOT click the Reset button on the Safe Mode start window.
Setting browser.tabs.closeButtons to 0 (x on active tab only) still works for me in Firefox 24 on Windows 7. Also tested setting it to 2 (no x buttons anywhere) and that worked.
Hopefully cor-el's suggestion will help uncover the source of the conflict/dysfunction.
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cor-el (and all),
Yes, I did, after posting the question, finally start Firefox in safe mode and the close tabs were gone. So I knew then it was an extension.
When I'd Googled doing a clean install I'd come across the "reset Firefox" option, which I was preparing to do by collecting tabs to where I could re-download all my addons, and backing up my bookmarks again. The last item on that list was the page for the theme I was using. I couldn't find it on Mozilla anymore (I did find it on the author's site) and then I remembered a forum thread I saw where someone had discovered that a theme was the cause of their problem so I thought Why not change the theme and see what happens? And that fixed it!
Thanks for taking the time to offer suggestions.