This article will walk you through how to create shortcut that will allow you to quickly clear the contents of your clipboard on Windows 7
Shortcut to Clear Windows 7 Clipboard
Right-click on an empty area of your desktop and click on New
Next, enter the following code into the field named Type location of the item
C:\Windows\System32\cmd.exe /c "echo off | clip"
Click on Next
. Give a name to your shortcut (i.e. "Clear Clipboard") and save your settings by clicking OK