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

Am trying to download a plug-in, but am unable to download ANY plugins. I keep getting this: Unexpected installation error Review the Error Console log for more details. -203 What can I do to solve this issue?

  • 2 پاسخ
  • 21 have this problem
  • 6 views
  • آخرین پاسخ توسّط Ziggy Maes

more options

I am not able to download ANY plug-ins. All attempts result in the following:

Firefox could not install the file at 

https://addons.mozilla.org/en-US/firefox/downloads/latest/10137/addon-10137-latest.xpi?src=addondetail

because: Unexpected installation error Review the Error Console log for more details. -203

I am not able to download ANY plug-ins. All attempts result in the following: Firefox could not install the file at https://addons.mozilla.org/en-US/firefox/downloads/latest/10137/addon-10137-latest.xpi?src=addondetail because: Unexpected installation error Review the Error Console log for more details. -203

All Replies (2)

more options
more options

Hi slysailr ,

Please take a look at this article Unexpected installation error -203 when installing add-ons , it should help you out with your issue.

Regards, Ziggy