Can’t install my addon from addons.mozilla.org .
AtCoder Unit Test – Get this Extension for 🦊 Firefox (en-US)
This addon is already Status:Fully Reviewed and Visibility:Listed.
However, when I click the Add to firefox button, the following message is displayed.
“Firefox has prevented this site from installing an unverified add-on”
Browser console say…
1450459640312 addons.xpi WARN Download of https://addons.mozilla.org/firefox/downloads/latest/662336/addon-662336-latest.xpi?src=category failed: signature is required but missing
But, Add-on sigined in Firefox say…
All add-ons hosted on addons.mozilla.org undergo this process in order to be signed.
How can I solve them?