| Issue | Solution | | :--- | :--- | | | Unplug dongle > Reinstall HASP drivers > Reboot > Plug dongle into USB 2.0. | | Crash on "Save" | Run the .EXE as Administrator. ArtCAM needs write access to its own folder. | | Black viewport / No preview | Disable "Desktop Composition" in the Compatibility tab (Windows Aero conflict). | | Can't uninstall | Use the Microsoft "Program Install and Uninstall troubleshooter." |