Yes the latest version of Google Earth Pro will automatically uninstall any old versions and the API needed for OpenCPN and GE2KAP no longer works and my fix to turn it back on no longer works.
The only way out of it is to:
- Use the Control panel
to Uninstall all versions of Google Earth and Pro
- Restart windows (very important)
- Download an old version and install like the one from my website that Sailor F54 posted.