For a thorough clean, especially if you have many infected files, use a specialized tool.

Mysterious objects appearing in your scene explorer named "???" or similar symbols. Automatic Propogation:

You uninstalled V-Ray, but the uninstaller failed to remove the automated startup scripts from the 3ds Max directories.

In V-Ray, material libraries are collections of pre-built materials that can be used to quickly apply realistic materials to 3D models. These libraries often contain a wide range of materials, from simple colors to complex, physically-based materials.

Common symptoms associated with problematic scripts include: Corrupted Scene Data: Difficulty saving files or unexpected crashes. Undo Failures: The "Undo" function stops working. Empty Helper Nodes:

Instantly, the Material Editor lit up. Gray nodes turned green. Dotted lines appeared, connecting every shader like a constellation. The master property slider appeared in the render settings.