Solved
"LogMeIn Client" is not optimized for your Mac.
Does logmein not give a crap about their software of the Mac anymore? I've been getting this message for months now.
Forum Discussion
We are still on target to fully support Mojave in the coming days, and I definitely appreciate your patience while this gets finalized.
In the meantime, another user posted a possible workaround while connected to Mojave systems through LMI Pro: uncheck the "Grey Scale when inactive" box option in Options -> Color Quality -Advanced. (Thanks tomiette for identifying this)
Yes, disabling the "Grey Scale when inactive" option works for me. Thanks for passing that on!
