Go to your add ons and try updating the web advisor app.

Thanks for the prompt reply but web advisor does not appear in my add ons also tried to re down load web advisor but this also does not work.

I assume there's no direct way to install the WebAdvisor extension into Firefox the way you install add-ons from the Mozilla Add-ons site. If there is, that definitely would be simplest.

If WebAdvisor is installed at the system level but doesn't show up on the Add-ons page, here's my guess as to why:

Firefox 74 discontinued "sideloading" extensions listed by third parties in the Windows Registry, because that's not particularly secure. Instead, the publisher now needs to offer users either a direct link to install manually, or some kind of alternate installation instructions.

I don't use WebAdvisor, so I am not familiar with how it works, but perhaps you can track down where the extension file was stored if you are familiar with the Windows Registry and comfortable using the RegEdit program. If you aren't already familiar with RegEdit, I suggest waiting for someone else to do this research.

The two keys where other software installers list the paths to extensions they want Firefox to sideload are:

• HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox\extensions
• HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Mozilla\Firefox\extensions

If you check those, can you find a path to the .xpi extension file for WebAdvisor?

thank for reply will just leave things as they are i do not want to probe the registry in case things go wrong.

Hi christos11, if you haven't already, could you submit an inquiry to McAfee and let us know their advice? That would be very helpful.