Sorry, but that is not really an acceptable response.
I have been reading various threads on this forum, & amongst other standard responses such as clear the cache (which does clear some problems), switching browser is also used as a 'standard' answer to hopefully fix a variety of different problems reported.
But WGT is an Internet game which is designed for browsers, so should at least work properly on the most well known mainstream browsers. And problems like the one I've reported are probably 'known' problems and have specific fixes for those mainstream browsers.
But you haven't even asked which browser I'm using.
As far as I can tell, it appears that the Google Chrome browser is the one that appears to work the best with WGT, & that is the one I'm using & I really do not want to start using other browsers as well.
So please give me some more specifics about things I can look into to try using Google Chrome, which may fix the problem of not being able to send or receive mssgs to my WGT friends. It is a fundamental part of using the game.
Thanks your help.