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How to Get Rid of White Stripe At Top of Firefox Browser

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I have the current version of Firefox installed. Recently, perhaps with the most recent install, I'm not exactly sure, a white stripe appeared at the top of the browser, right under the search and URL boxes at the top of where websites would normally show, a white stripe about a 1/2 inch thick has appeared. Not on every single site, google.com works fine, but for example, it blocks out the home, connect, discover and me tabs on Twitter. Or if you go to mozilla.com, the tabs at the top of the mozilla site briefly show, then are blocked by the white bar. You can't click on any of them, even if you have your mouse pointed at the right spot. You can refresh the screen and they'll briefly show again, but not long enough for you to click on anything.

I've run a number of search engine queries trying to find out how to get rid of this problem, but I'm only finding resolutions for webmasters, not for end users who have to deal with this problem on the other end of the browser.

Anyone know how to get rid of this nuisance? I'm about ready to uninstall Firefox because its useless on many sites with buttons and tabs on top.

I have the current version of Firefox installed. Recently, perhaps with the most recent install, I'm not exactly sure, a white stripe appeared at the top of the browser, right under the search and URL boxes at the top of where websites would normally show, a white stripe about a 1/2 inch thick has appeared. Not on every single site, google.com works fine, but for example, it blocks out the home, connect, discover and me tabs on Twitter. Or if you go to mozilla.com, the tabs at the top of the mozilla site briefly show, then are blocked by the white bar. You can't click on any of them, even if you have your mouse pointed at the right spot. You can refresh the screen and they'll briefly show again, but not long enough for you to click on anything. I've run a number of search engine queries trying to find out how to get rid of this problem, but I'm only finding resolutions for webmasters, not for end users who have to deal with this problem on the other end of the browser. Anyone know how to get rid of this nuisance? I'm about ready to uninstall Firefox because its useless on many sites with buttons and tabs on top.

All Replies (2)

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This may be related to an add-on. Could you disable ALL nonessential plugins and particularly extensions, restart Firefox, and see whether the issue is resolved? If so, you can gradually re-enable the most useful extensions until you discover the culprit.

orange Firefox button or classic Tools menu > Add-ons > Plugins category
orange Firefox button or classic Tools menu > Add-ons > Extensions category

Any luck?

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I shut down all but one of the extensions, and that seems to have resolved the problem. Thank you!

Now to figure out which extensions I need, and which I don't, because I don't have a clue. I don't remember installing most of these, I only recall one or two (nothing looks spammy like funmoods, but still don't remember when or why these were added...)