3Ds Max starts slow, shows white and increases MXS heap size

[Simon]

If you see 3Ds max "increasing MXS heapsize" at the bottom bar during the start, you should increase the heap size by default:

Customize > Preferences > Maxscript > [ ] Inital heap allocation

Because if the space is too small, max will notice that during start and increase the heap size if needed, but this takes time! if you set it to a bigger value, 3ds max doesn't run out of memory at the start and doesn't have to increase the heap size dynamically.