Have you noticed that some of your custom Windows icons have reverted to the default look after the latest update? If so, don’t worry; you’re not alone. Microsoft has made some tweaks to how custom icons are handled with Windows 11, and if the operating system cannot verify that they came from a good source, it will silently change them back to defaults without warning you. Yes, it’s one of those rare moments where what may seem like a Windows bug is, in fact, entirely by design.