Things You'll Need:
- Mozilla Firefox
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Step 1
If you haven't already, download and install the latest version of Firefox.
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Step 2
Open Firefox and type the following in the address bar: about:config
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Step 3
When asked if you'd like to continue, select "Yes".
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Step 4
To find this setting type the following in the filter bar: dom.popup_maximum
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Step 5
Double-click this setting to change its value. Choose a limit between 1 and 20. Click on "OK" when you're done.
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Step 6
Restart Firefox to allow the change to take affect.
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Step 7
That's it! Firefox will now limit the number of popup windows that launch.









