1, delete the dlcomponents file in the DLComponents folder in the MAX directory every time you want to use the photometric lamp;
2. Delete the DlComponentList under the \dlcomponents folder. Then create a new folder named DlComponentList; ;
3. Change the display driver of 3DSMAX, D3D, OPENGL, software or 2013 nitro. Modify the location in Customize-> Preferences-> Viewport-> Select Driver.
Tips: It is said that the installation of Chinese version can't have English path. If there is, this problem will appear (unconfirmed).