https://forums.opera.com/topic/31068/inline-install-addon-api-useless/2?lang=en-US
Inline install addon api useless | Opera forums
Feb 22, 2019 - Inline installation is still supported? I remember have read something a while ago about it being blocked.
install addoninlineapiuselessopera
https://wpastra.com/docs/install-astra-pro-addon-plugin/
How to Install the Astra Pro Addon plugin?
Prerequisite: To install the Astra Pro Plugin, you need to ensure that you have the Astra theme installed on your WordPress website. Once you've confirmed
how to installastra pro addonplugin
https://community.bitdefender.com/en/discussion/13370/bitdefender-total-security-is-blocking-firefox-addon-install
Bitdefender Total Security Is Blocking Firefox Addon Install - Expert Community
I would just like to know what I can do to unblock Addon installs for my FireFox browser. As soon as I installed BitDefender Total Security 2009 it wiped out...
bitdefender total securityfirefox addonblockinginstallexpert
https://bugzilla.mozilla.org/show_bug.cgi?id=1420447
1420447 - Cannot install WebExtension addon showing warning: There is no item named 'install.rdf'...
RESOLVED (nobody) in Testing - mozregression. Last updated 2017-11-28.
https://sb-ing.atlassian.net/wiki/spaces/PD/pages/465895432/How+to+install+Simple+Attachments+Downloader+for+Jira+Addon
How to install Simple Attachments Downloader for Jira Addon? - Project Documentation - Confluence
how to install