Hi... After my computer upgraded its MS software, I was unable to load the GPS with cache details. It just said 'Garmin Communicator Plugin Not Detected'.
I tried all sort of fixes... Enabling Active X controls and the like, but that did not fix it.
What did fix it (for a short time) was 'Restoring' the computer to a past restore point. However as the computer caught up, the fault re-emerged.
My final fix was to run the GC.com page in 'Compatibility Mode' (from the tools icon (top RHS.))
This has fixed the problem, but means the map zooming now has to be done with the mouse wheel.
Hope this helps anyone with the same problem.