I'm new to VB and don't know where my mistake is?

Va
2

So Minecraft 1.8.9 is not recognized.

Ja

Try "[javaw.exe]: Minecraft 1.8.9" instead of "Minecraft 1.8.9" as a process.

And don't build a hack client.

Do you use JDK or JRE?

Ja

Look in the Task Manager for the name of the Java process under which Minecraft runs (properties). Then put it in square brackets in front of "[{Process}]: Minecraft 1.8.9"