Follow these steps to clear your Windows 7 clipboard:

  1. Right-click on your desktop, and select New –> Shortcut
  2. Copy and paste the following command into the shortcut:

    cmd /c “echo off | clip”

  3. Choose Next.
  4. Enter a name for this shortcut such as Clear My Clipboard
  5. Double-click the shortcut anytime you want to clear your clipboard.