1. Download DDU.
2. Boot into safe mode in Win7 or Win10. (NOTE dont run if your Win 10 build is higher than 1703)
3. Run DDU
3.1 "Remove Geforce Experience"
3.2 "Clean and Restart"
4. Boot back into normal windows.
5. Install original drivers.
I also have a 1070 and have been running the...
You know, a little while back, bigger companies offered their services as enablers, happy for you to use their product.
Today it would seem, the approach now is to say, "you will use our latest product or die.".