So I used my friends Laptop and suddenly it works without problems ..... wtf
JFYI which system had a problem: AMD Ryzen 7 1700 on a Crosshair VI with newest drivers and newest Windows 10 1809
This system is Intel i7-4710HQM...
I'm sorry, it's not my idea. For very early versions of hboot you may find other free solutions for S-OFF.
But if your hboot is 1.61, you have no chance, nothing else is working anymore, and you cannot downgrade to an earlier hboot, until(!) your...