My clipboard is lagging and it's not working when I wrote a lot of shortcuts/paragraphs

whenever I open my clipboard it lags and few months ago my clipboard is not working it just crashed. i tried uninstalling and installing it again and it still doesnt work. i tried clearing cache it still doesnt work, i deleted all of high GBs/MBs vids and it still doesnt work. is there a solution to this issue/problem, i wanna fix the clipboard so badly.