Help needed for 'cross-thread operation error' in C#

Question

In the following code MessageReceived is on a different thread to label1 and when trying to access it I will get this error:

Answer 1

Hopefully this will be closed as an exact duplicate, but if not:

Don't touch the GUI from a non-GUI thread. Use BackgroundWorker and report progress appropriately, or read the WinForms page of my threading article for more direct control (Control.Invoke/BeginInvoke).