Go to the following Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Blocked.To remove the Share context menu in Windows 10, do the following. If you want to remove it from the context menu, here is how it can be done. Starting with Windows 10 build 16232, the Share command is available on the Share tab of the Ribbon interface and in the context menu of File Explorer: You can also add it to the Quick Access Toolbar. There are a couple of interesting tech details there, so I suggest you to read it as well. If you find this command useful, but you are running Windows 10 Creators Update, you can add this command to the context menu manually as described in the article Add Share Context Menu Command in Windows 10. Note: The Share context menu command first introduced in Windows 10 version 1709 'Fall Creators Update'.
