Vanwege onderhoudswerkzaamheden die uw ervaring zouden moeten verbeteren, heeft deze website beperkte functionaliteit. Als een artikel uw probleem niet verhelpt en u een vraag wilt stellen, kan onze ondersteuningsgemeenschap u helpen in @FirefoxSupport op Twitter en /r/firefox op Reddit.

Zoeken in Support

Vermijd ondersteuningsscams. We zullen u nooit vragen een telefoonnummer te bellen, er een sms naar te sturen of persoonlijke gegevens te delen. Meld verdachte activiteit met de optie ‘Misbruik melden’.

Meer info

Deze conversatie is gearchiveerd. Stel een nieuwe vraag als u hulp nodig hebt.

Firefox does not recongize plug in already on the computer.

  • 2 antwoorden
  • 2 hebben dit probleem
  • 16 weergaven
  • Laatste antwoord van the-edmeister

more options

I had Adobe Flash Player 11 Active X (11.9.900.170) installed on my computer before downloading and starting to use Firefox. I went to a web site, and Firefox is telling me a plug in is needed to display the content of 2 windows on the web page. I used the "Install plugin" link, but the automatic installation failed. I then did the manual installation. I now have art of the Adobe 11 Flash Player Plugin (11.9.900.170) installed as well. When I go back to the web page, I am still getting the same error message. When I try to install, it is telling me to install the same plugin (& version) that is already on my computer. Why isn't Firefox recognizing what is already on my computer? Thank you.

I had Adobe Flash Player 11 Active X (11.9.900.170) installed on my computer before downloading and starting to use Firefox. I went to a web site, and Firefox is telling me a plug in is needed to display the content of 2 windows on the web page. I used the "Install plugin" link, but the automatic installation failed. I then did the manual installation. I now have art of the Adobe 11 Flash Player Plugin (11.9.900.170) installed as well. When I go back to the web page, I am still getting the same error message. When I try to install, it is telling me to install the same plugin (& version) that is already on my computer. Why isn't Firefox recognizing what is already on my computer? Thank you.

Alle antwoorden (2)

more options

Have you tried deleting the pluginreg.dat file in the profile folder.

SEE: http://kb.mozillazine.org/Flash#Testing_Flash and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems

They both include instructions for deleting the file and refreshing the plugin list.

more options

Firefox doesn't use ActiveX, it needs the NPAPI version of Flash.

http://get.adobe.com/flashplayer/