My firefox browser will not open new windows in tabs, but it will do so when I am in safe mode, what should I be looking for?

I want to view new pages in tabs. I thought I had clicked the appropriate option to do so but it continually opens in a new window instead. I have restarted my browser in safe mode and the tabs are there and work normally. What gives? I am not sure how to narrow down the problem here.

Hello rossqo, '''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
When you figure out what's causing your issues, please let us know. It might help others with the same problem.
thank you

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