Please check your app.component.html and make sure it has included
Please check your app-routing.ts file, I think, app is compiling fine, it's just something wrong with displaying first component.
If none of the options work for you, Is it possible, you can create a GitHub repo and send me a link of your source code so that I can look into all of your files and try to compile it on my machine and try to fix it for you.