Hi,
This issue was discussed a while ago for the Trados 2015 and seemed to have been resolved by repairing the installation.
I started getting these error messages recently, possibly after installing the Analyse add-on, which was messy, and its subsequent uninstall. I can't think of anything else.
Repairing the Studio 2017 installation and rebooting the computer did not help.
Thank you for advice,
Sandra