The easiest way to do it is to right-click the app's icon on the Dock, then click the "Quit" button. The Santa hat should be gone now. If it isn't, check whether the "Allow automatic icon changes" ...
Most AI companies keep a file on everything you say to their bots. Your words, pictures, clicks and ideas help make their AI smarter. They use it to personalize bot responses so you stick around ...
Deleting the WinSxS folder is unsafe. Learn what WinSxS does and how to clean it safely using Disk Cleanup, Storage Sense, and DISM to free real space in Windows 10 and 11.