A 3rd-party MAXScript known as "CRP" can accidentally corrupt
3ds Max software settings.
CRP Script Corruption
This malicious code can be propagated to other scene files (*.max) on a system if scene files containing it are loaded into
3ds Max. The
3ds Max Security Tools can detect and clean it from the user’s startup scripts and infected scene files. For more information about this malicious script, see the following support article:
Support article on CRP and ADSL MAXScripts