I have a Win10 VM on proxmox-ve: 6.0-2 where it always starts in suspended state so I have to click resume as well. I did a "qm config" dump and I'm guessing the vmstate line is the culprit but I'm not sure how to get rid of it:
# qm config 100
agent: 1,fstrim_cloned_disks=1
balloon: 2048...