1. Go to Tools -> Internet Options.
2. Go to Security tab.
3. Select “Internet” zone, then click on “Custom level…” button.
4. Scroll down to “Scripting” section (at the bottom few).
5. Under “Allow Programmatic clipboard access” option, check or select (tick) Enable. Default action for this option is Prompt, which will cause the pop-up message whenever there is any attempt to access the Clipboard.
6. Click Ok twice to exit from Internet Options.
Please click on the examples below for a closer look at this issue: