I know you are reporting your issue occurs between 18% & 24%, but on one of my PCs I found content in the Base package causing excessive load time when activated and a significant reduction (3x) in load time when disabled.
Food for thought:
I know you are reporting your issue occurs between 18% & 24%, but on one of my PCs I found content in the Base package causing excessive load time when activated and a significant reduction (3x) in load time when disabled.
Food for thought: