Can you upgrade the trial version to the latest hotfix (2420) if it isn't already.
HELP menu > Check for updates.
The latest hotfix is said to fix many of the freezing problems and so far for me that seems true.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11