Scene D is caused by too much garbage. If there is too much garbage in the 3d scene, you can clean it up with some 3d scene cleaning plug-ins. For example, Max antivirus comes with a one-click slimming plug-in. After cleaning with cleaning tools, save the site or save it, so it won't get stuck.

One of the reasons for the slow running speed of dmax is that the lack of hardware configuration causes the slow running speed of 3dmax. The most common reason is that the hardware configuration of the current running machine is insufficient.

The CPU is overloaded or not working properly. Check the cooling, dust removal and oiling of CPU and graphics card, or replace the fan. The power supply voltage is unstable and the power supply is insufficient. Replace high-quality and high-power power supply. Clean and defragment the disk frequently.

Reason: A third-party plug-in (such as Vray) is trying to retrieve the license in the background. Load a large maxstart.max file at startup. User preferences are corrupted. The network connection is not available. Anti-virus license. Uninstall third-party plugins Uninstall third-party plugins, such as Vray or Corona, or reconfigure the license configuration.