yes this is exactly what I did, seems like the only solution at the moment as Windows doesnt want to work on paralells 18. Simply delete 18 and re-install paralells 17 from their website, runs as per.
Hi there, I am having the exact same issue - once I updated to Paralells 18 I have been unable to open Windows 11. I would love some assistance on this matter as I urgently need to access my Windows through Paralells, thanks.