Firefox opens hundreds of the same tab
When I click on a link to open a new window or website Firefox will often start opening the tab literally hundreds of times in rapid succession and the only way I can stop it is by exiting entirely. Then the cycle begins again. What's up?
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You get tabs opening endlessly if you select the Firefox program to handle a file When you get an "Open with" dialog.
You need to remove that specific download action or possibly reset all download actions.
- Options/Preferences -> General -> Applications
- https://support.mozilla.org/en-US/kb/change-firefox-behavior-when-open-file
You can rename/remove handlers.json and delete mimeTypes.rdf when present in the Firefox profile folder with Firefox closed to reset all file actions.
You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.
- Help -> Troubleshooting Information -> Profile Directory:
Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder - http://kb.mozillazine.org/Profile_folder_-_Firefox