Меnu Rated 1 out of 5 stars
For your Information Rated 2 out of 5 stars
The icon problem may not be because of the add-on.
Please do not comment in bug reports.
Bug 1155413 - Many icons missing from Add-on Customize Manager
Rated 3 out of 5 stars
I confirm it could be nice if the icon does not have a malfunction... It does not appear...