the download at http://remotedesktopmanager.com/Home/ExternalAddOns now has the v1.2 extension, although the page still says 1.1.0.0.
The old versions had an invalid update Url, v1.2 fixes that so it should be the last manual update you will have to do for that extension.
The old versions had an invalid update Url, v1.2 fixes that so it should be the last manual update you will have to do for that extension.