Relating to recent performance issues with Epicor & Microsoft Updates

100+ users all suffering performance issues. Takes 20 seconds just to open Order entry window.

I had been following the previous thread and raised tickets with support.
As advised, we decided to wait for Win 10 21H1 update while removing & blocking KB5007313 & KB500802 to sort this issue out.
All clients are now updated to Win 10 21H1 and we are still having the same issues.

Do the servers require additional updates to fix this?

Running Epicor 10.2.700.4 on Server 2019