Not sure why this is happening but take a look at this video.
At this point, I'm not sure how to even describe it. The character's hair and beard are props, attached to the CC_Head. If I scrub the timeline, everything looks fine...but as soon as I hit play - this happens:


I've looked all over to see if its some sort of motion in the project - but it happens with this character in ANY project I place him in.
Any ideas on what's gone sideways here?

Most likely there are physics attached to those props -- go to the prop/modify/physics menu and turn them off (or adjust the weight maps).

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Alienware Aurora R16, Win 11, i9-149000KF, 3.20GHz CPU, 64GB RAM, RTX 4090 (24GB), Samsung 870 Pro 8TB, Gen3 MVNe M-2 SSD, 4TBx2, 39" Alienware Widescreen Monitor
Mike "ex-genius" Kelley

Yep, that was it. Thanks Kelleytoons!