Firefox repeatedly opens empty tabs or windows after you click on a link
Firefox may repeatedly open new, empty tabs or windows after you click on a link, forcing you to close Firefox. The same untitled tabs or blank windows may open the next time you start Firefox, if the previous session is restored.
This usually happens because you chose Firefox as the program to always use for a particular action, such as opening a certain type of file or launching an application to send mail.
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Start a new Firefox session
You may be forced to close Firefox if it is repeatedly opening multiple tabs or windows. Firefox includes a Session Restore feature that can restore your windows and tabs from the previous session after a crash or unexpected close.
The same multiple tabs or windows may start opening when you next start Firefox, forcing you to close Firefox again. If you see a Restore Session (i.e. "Well this is embarrassing") page when you restart Firefox, click.
Once you start a new Firefox session, follow the instructions given below to fix the problem.
Change the action for a content type
You may be able to fix the problem by finding the content type that is set to use Firefox and then changing the action, using these steps:
- At the top of the Firefox window, click on the button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select
- Select the panel.
- If you know which item in the Content Types column is causing the problem, select it. Otherwise, in the Search box, type Use Firefox. The list will display only items that are set to "Use Firefox".
- For each problematic content type, select a new action from the menu in the Action column. If you're not sure which action to pick, choose Always ask.
- Click to close the Options windowClick to close the Preferences windowClose the Preferences window .
For general information on content types, see Change what Firefox does when you click on or download a file.
Reset actions for all content types
If the preceding steps didn't fix the problem, or if you can't find the problematic item in the Applications list, you will have to reset the actions for all content types, by manually deleting the file that stores these settings.
Open your profile folder:
At the top of the Firefox window, click on the button, go over to the menuOn the menu bar, click on the menuAt the top of the Firefox window, click on the and select menu . The Troubleshooting Information tab will open.
- Under the Application Basics section, click on filesfolder will open. . A window with your profile
- Close Firefox. At the top of the Firefox window, click on the button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select
- Delete the file named mimeTypes.rdf.
- Restart Firefox.
Check for malware
If the problem is still not solved, or if Firefox is opening multiple tabs or windows with unwanted content, consider that your system may be infected by malware. For more information, see Troubleshoot Firefox issues caused by malware.
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