I am using Windows XP and cannot open a new tab in Firefox 17.0 Beta. Help?
The + sign at the end of the tab bar doesn't work.
The + sign at the end of the tab bar doesn't work.
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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.
- https://support.mozilla.org/kb/Safe+Mode
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
You can also check for problems with the localstore.rdf file.