Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

When I attempt to open a pdf it does not open and then it opens a new tab over and over again, how do I stop this?

  • 1 reply
  • 2 have this problem
  • 5 views
  • Last reply by TonyE

more options

When clicking on a pdf file it does not open and then it opens hundreds of tabs. The only way to stop it is to shut off the computer.

When clicking on a pdf file it does not open and then it opens hundreds of tabs. The only way to stop it is to shut off the computer.

All Replies (1)

more options

You probably have an incorrect action type set for pdf files, it will be set to "use Firefox" rather than using a pdf application such as Adobe Reader. For details of how to fix this see the "Change the action for a content type" section of https://support.mozilla.com/kb/Firefox+keeps+opening+many+tabs+or+windows