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Firefox won't let me open more than one window at a time. how do i fix the problem

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AnonymousUser
AnonymousUser
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Firefox won't let me open more than one window at a time.  It use to allow me to open multiple windows before but for no apparent reason it stopped. I uninstalled it and re-installed but I'm having the same problem. How do I fix the problem

This happened

Every time Firefox opened

== several days ago

Firefox won't let me open more than one window at a time. It use to allow me to open multiple windows before but for no apparent reason it stopped. I uninstalled it and re-installed but I'm having the same problem. How do I fix the problem == This happened == Every time Firefox opened == several days ago

Alla svar (1)

cor-el
cor-el
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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

If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears. You can use "Disable all add-ons" on the Safe mode start window to disable all extensions. You have to close and restart Firefox after each change via "File > Exit" (on Mac: "Firefox > Quit")