If you’re playing a video, or you have one open in the background, close the video player, and check if the problem is resolved. One thing that often does this is a video player playing an encrypted video. While the Windows clipboard is designed to be unlocked and available to all installed programs, it will occasionally become locked. Undo recent system changes with System Restore.Delete any corrupt zones from your Windows Registry.You don’t have to try them all just work your way down the list until you find one that works for you.
Here are 9 fixes that have helped many Windows users get their copy-paste working again.
