: A known issue with R19 on modern Windows builds (Windows 10 20H2 and Windows 11) causes the program to fail to start or close immediately.

Modern NVIDIA Game Ready drivers may cause instability in legacy viewports. Switching to NVIDIA Studio Drivers

Because the online updater is often disabled by the firewall fix, users must rely on manual updates. For example, procedural tools like the Window Maker plugin require users to manually uninstall old versions and clear cache files in the preferences folder to ensure stability on newer OS versions.