This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

Natao arisiva ity resaka mitohy ity. Mametraha fanontaniana azafady raha mila fanampiana.

can´t update my extensions

more options

I can't update my extensions in firefox. I get this message everytime (doesn't matter wich extension): "Firefox kan inte installera filen på https://addons.mozilla.org/_files/3590/fast_video_download_with_searchmenu-4.0.1-fx.xpi p.g.a.: Ogiltig filhash (möjligen en skadad filhämtning) -261" - which means something like Firefox can't install the file at :xxxxx.xpi because of ....... -261.


Please help me!

I can't update my extensions in firefox. I get this message everytime (doesn't matter wich extension): "Firefox kan inte installera filen på https://addons.mozilla.org/_files/3590/fast_video_download_with_searchmenu-4.0.1-fx.xpi p.g.a.: Ogiltig filhash (möjligen en skadad filhämtning) -261" - which means something like Firefox can't install the file at :xxxxx.xpi because of ....... -261. Please help me!

All Replies (2)

more options

This can happen if third-party cookies are blocked.

  1. In the Tools menu select Options to open the options window
  2. Select the Privacy panel.
  3. Check mark Accept third-party cookies.
more options

Thx, but that's already checked....

I don't understand the problem....??? I can install/update through the webadresses, but not with the normal update box built in firefox...?? Why?

Novain'i Need help, please! t@