Clipboard stopped working

Solution 1:

Found a solution here

Run the following: cmd /c "echo off | clip"

You can even make it into a desktop shortcut if the problem keeps happening.

Solution 2:

For me the problem was happening only when there was a RDP session open to another machine. After closing RDC, clipboard started working again.

Solution 3:

If this is over Remote Desktop (RDP) then ensure that rdpclip.exe is running on the remote machine. You can start it using Win+R and then rdpclip

Solution 4:

There's probably an app that's "locked" the clipboard. Try and work out what app has done that and close it.

In my case it was a hung Greenshot.