1. Here's how

If you try to import a model that is too detailed for your computer, Lumion may sometimes hang or run out of memory and crash to the Desktop.

To make sure that Lumion does not crash, please follow these instructions.

1.1: Increase the amount of Virtual Memory in Windows:

• Knowledge Base: How do you change the amount of virtual memory in Windows?

1.2: Quit other demanding applications in order to maximize the amount of free System Memory.

1.3: Confirm that there are at least 30 GB of free space on the drive that the Documents folder is located on.

1.4: Please add an exclusion for 'Lumion.exe' to your anti-virus/security software:

• Knowledge Base: How do you resolve anti-virus and firewall problems?

1.5: Reduce the detail level of the model in your 3D/CAD software:

• Knowledge Base: How do you reduce the complexity of a model before importing it in Lumion?

1.6: Hide surfaces that are unimportant in your 3D/CAD software before importing the model in Lumion.

1.7: Consider splitting up the model in several parts and import them as separate models in Lumion.

1.8: If none of the above help, you should consider installing more System Memory:

• Knowledge Base: What kind of computer does Lumion need?