Win 11 crashes when I switch multi Processing

[BlazingBlazer]

2.0.15 Multi Processor crash and other things...- mac

hi installed 2.0.21 when i switch on multiproc, VL crashes immediately. With Multiproc off also very poor performance, Audio crackles, no midi sending to the helix, Cpu bar always red only audio and midi files, no stacks, no layers, no vst plugins … same project works in 2.0.14 well win 11 HP elitebook 840 G6, 16 gb Ram Andi