The user cannot copy paste in Firefox. For example, if the user has written something in Microsoft Word , copied that by using Ctrl+C and when tried to paste by using Ctrl+V in Firefox, it just failed.
- Open Firefox.
- In the address bar of Firefox type in about:config and hit the Enter Key.
- Click I accept the risk! tab
- In the Search box of Firefox type Clipboard
- Locate dom.event.clipboardevents.enabled. The default value of it is true. Click on it change to false.
- Restart Firefox.