If you are receiving a message similar to the one shown below when you click on the Dimension icon that is pinned to your taskbar, you will need to replace the Shortcut.

• Right click the shortcut Icon and choose “Unpin from taskbar”
• Double click on the Dimension shortcut on the desktop to launch the program 
• Once Dimension is opened, right click on the active taskbar icon and select “Pin to taskbar”