visual-c#-express-2010

How do I fix an “Invalid license data. Reinstall is required.” error in Visual C# 2010 Express?

December 20, 2023 by Tarik

I am using Visual Studio 2013 and I have the same issue but it occurs when I try to open a solution that was made using Visual Studio 2010. The solution for me is to open the solution file (.sln), using notepad and change this line: [# Visual Studio 2010] to this: [# Visual Studio … Read more

WPF Application still runs in background after closing

September 9, 2023 by Tarik

What is your shutdown mode? If it’s explicit, then it’s because you’re not explicitly shutting down. If it’s main window, it’s because you’ve not assigned the main window to Application.MainWindow.