Windows second instance?

[Josip Orec via .NET 247]

How to prevent user to run second copy of application on the same machine? I would like to show dialog "Already run" instead of launching a secound instance.

 

[Sean Hederman]

How to prevent user to run second copy of application on the same machine?
I would like to show dialog "Already run" instead of launching a secound
instance.

http://www.yoda.arachsys.com/csharp/faq/#one.application.instance