Dual Crash, Different Clients

I am "dualboxing" i have 2 accounts, i have run both on the same PC and i crashed in 5ways so i moved one of the clients to another PC, they now crash at the exact same time on the different computers. One client is the Standalone and the other is Steam. Both computers have been in 5ways before, without crashing. No idea what has changed.
Primary machine (new) 7950X3D, 64 Gig of 6400 DDR5, 7900XTX (basic specs can provide more if prompted)
Secondary machine (my old one) I7-8700k, 32Gig 3200 DDR4 2080Super (same)

I have validated and run pack check on both clients on both machines, Nothing amiss was found.


Changing login servers and putting one of the clients in predictive fixed it somehow.
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Your guess is as good as mine.