Firefox might repetitively open up brand-new, empty tabs or windows after you click a attach, forcing you to cshed Firefox. The exact same untitled tabs or blank windows might open up the next time you start Firefox if the previous session is restored.

You are watching: How to stop opening new tabs automatically in firefox

This generally happens because you made a decision Firefox as the program to always usage for a details activity, such as opening a particular form of file or launching an application to send mail.


Note: The Refresh Firefox feature have the right to deal with many kind of issues by restoring Firefox to its default state while saving your important information. Consider making use of it prior to going via a lengthy troubleshooting process.
Start a new Firefox session

You may be required to close Firefox if it is consistently opening multiple tabs or windows. Firefox has a Session Resave attribute that can regain your windows and also tabs from the previous session after a crash or unsupposed close.

The very same multiple tabs or windows might begin opening once you following begin Firefox, forcing you to cshed Firefox aobtain. If you watch a Rekeep Session "Sorry. We"re having actually trouble obtaining your peras back.") page as soon as you rebegin Firefox, click the Start New Session button to begin a brand-new session and then follow the instructions provided listed below to resolve the difficulty.

Change the activity for a content type

You may have the ability to solve the problem by finding the content kind that is collection to usage Firefox and then transforming the action, utilizing these steps:

In the Menu bar at the height of the display screen, click Firefox and choose Precommendations.Click the menu switch and select OptionsPrecommendations.Click the menu switch and also pick Settings.

In the General panel, go to the Files and also Applications area and evaluation the Content Type entries under Applications. If you recognize which item in the Content Type column is leading to the trouble, choose it. Otherwise, in the Search box, form Use Firefox. The list will certainly screen just items that are collection to "Use Firefox". Select each problematic content type and pick a brand-new activity from the drop-down food selection in the Action column. If you"re not sure which activity to pick, select Always ask. Close the about:preferences page. Any transforms you"ve made will instantly be conserved.


Note: A problematic Portable Document Layout (PDF) content type have to be set to Pevaluation in FirefoxOpen in Firefox to check out PDF papers in Firefox, even once Firefox is the default regimen to open PDF documents on Windows.

For even more information around content kinds, check out Change what Firefox does once you click or downpack a file.

Reset actions for all content types

If the coming before actions didn"t fix the trouble, or if you can"t uncover the problematic item in the Applications list, you will certainly need to reset the actions for all content forms by manually deleting the file that stores these settings.


This will rerelocate all customized content form actions, not simply the one that is causing the trouble. You will have to make those alters over aacquire after taking these measures.

Open your profile folder:

Click the food selection switch , click Help and also select Troubleshooting InformationMore Troubleshooting Indevelopment.From the Help food selection, select Troubleshooting InformationMore Troubleshooting Information. The Troubleshooting Information tab will certainly open. Close Firefox. Click the Firefox menu and pick Exit.Click the Firefox menu at the height of the screen and also pick Quit Firefox.Click the Firefox menu and also pick Quit. Delete (or rename) the handlers.jchild file. Rebegin Firefox.

See more: The Term Down-Regulation Refers To The Process By Which A A, Receptor Down Regulation


Check for malware

If the trouble is still not fixed, or if Firefox is opening multiple tabs or home windows with undesirable content, take into consideration that your system may be infected by malware. For more information, see Troubleshoot Firefox issues caused by malware.


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