Bantly Nevada System1 can't run on top of KVM Proxmox

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Hi!
I've tried configuring the CPU to host, hidden=1, but it doesn't work.
I've also tried changing the memory to no ballooning, the machine to q35, and the BIOS to OVMF (UEFI).

I've also tried installing this application on Hyper-V and it runs smoothly.
Does anyone have a solution?
 
looks like windows is working from your screenshot, there is no network and an application error, diagnose the application rather than trying random things for no reason
 
contact your software vendor for support, in your screenshot port 7070 is already in use, and there is no network connectivity, start there