We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

While downloading add-ons error message - unable to download . want ad blocker urgently

  • 1 reply
  • 2 have this problem
  • 1 view
  • Last reply by Moses

more options

while installing add-ons error message appears

" theree was an error downloading ...."

This happened will all addons i tried within 2-3 seconds of clicking on install

while installing add-ons error message appears " theree was an error downloading ...." This happened will all addons i tried within 2-3 seconds of clicking on install

Chosen solution

Check to see if installations are allowed in Firefox

  • Go to about:config like you were going to a website
  • Press the button saying you'll be careful
  • Search for xpinstall.enabled
  • The value of xpinstall.enabled should bet set to TRUE. If it's FALSE, right click it and select Reset.

What exact error is it giving you?
Try these fixes from this article

Read this answer in context 👍 0

All Replies (1)

more options

Chosen Solution

Check to see if installations are allowed in Firefox

  • Go to about:config like you were going to a website
  • Press the button saying you'll be careful
  • Search for xpinstall.enabled
  • The value of xpinstall.enabled should bet set to TRUE. If it's FALSE, right click it and select Reset.

What exact error is it giving you?
Try these fixes from this article