Parts of the edit menu are not functioning: copy, paste, redo, cut, delete
How can I restore copy, paste, redo, cut, delete on my menu toolbar?
How can I restore copy, paste, redo, cut, delete on my menu toolbar?
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems