Could be any number of possible causes, starting from many Apps set to start on boot, then needing to be closed by windows on shutdown.
I suggest you post a query on http://www.tenforums.com/ , they can help with the other possible causes from the OS.
Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T..