To disable the Internet Explorer pop up warning message about Clipboard access,
follow the steps below:

  • Go to Tools -> Internet Options.

  • Go to Security tab.

  • Select “Internet” zone, then click on “Custom level…” button.

  • Scroll down to “Scripting” section (at the bottom few).

  • Under “Allow Programmatic clipboard access” option, check or select (tick) Enable. Default action for this option is Prompt, which cause the pop-up message whenever there is any attempt to access the Clipboard.

  • Click Ok twice to exit from Internet Options.