Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

This thread was archived. Please ask a new question if you need help.

Can't install ANY add on

stu171
stu171
more options

My firefox is upto date, even re downloaded it and refreshed it. I go to the add on's menu and chose any one, and every one when i download it says "Installation aborted because the add-on appears to be corrupt."

Help please

Regards

Stu

My firefox is upto date, even re downloaded it and refreshed it. I go to the add on's menu and chose any one, and every one when i download it says "Installation aborted because the add-on appears to be corrupt." Help please Regards Stu

All Replies (2)

user104147805413306348376805769878442569366
user104147805413306348376805769878442569366
more options

Hi stu171,

It is possible that (anti-virus) security software is causing the problem. Try to disable security software temporarily to see if that makes a difference.

Or, boot the computer in Windows Safe Mode with network support to see if that has effect.

user104147805413306348376805769878442569366
user104147805413306348376805769878442569366
more options

If you are using ESET please see this thread -

ALL extensions appear to be corrupt. https://support.mozilla.org/en-US/questions/1381931