Avatar for Username

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

Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

In am unable to install pluggins, updates or a toolbar I get an error message each time.

  • 1 amsa
  • 1 yana da wannan matsala
  • 6 views
  • Amsa ta ƙarshe daga TonyE

thomasm74
thomasm74
more options

I get this error message: "Firefox could not install the file at http://releases.mozilla.org/pub/mozilla.org/addons/1122/tab_mix_plus-0.3.8.4-fx.xpi

because: Unexpected installation error..."

I get this error message: "Firefox could not install the file at http://releases.mozilla.org/pub/mozilla.org/addons/1122/tab_mix_plus-0.3.8.4-fx.xpi because: Unexpected installation error..."

All Replies (1)

TonyE
TonyE
  • Moderator
more options

For details on fixing that error see https://support.mozilla.com/kb/Unexpected+installation+error+-203+when+installing+add-ons