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I cannot open another tab than the one already open

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I am currently unable to open and browse with another tab. I can open the tab, but am unable to click a bookmark, enter a url, etc. In the options menu, I am unable to click the tabs to change or check my current settings.

I am currently unable to open and browse with another tab. I can open the tab, but am unable to click a bookmark, enter a url, etc. In the options menu, I am unable to click the tabs to change or check my current settings.

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Do you have that problem when running in the Firefox SafeMode? http://support.mozilla.com/en-US/kb/Safe+Mode Don't select anything right now, just use "Continue in SafeMode."

If not, see this: http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+theme...