Basically, Pretendo wasn’t working for me when I added it on to my 3ds, I tried doing the Nintendo network log in it gave me a error. So I gave up and deleted it from data management, I decided to just go on Mario Kart 7 online and it worked while I had Pretendo deleted is this good or bad?
Uninstalling Nimbus does not remove the patches from the SD card. That’s why you can still play games on Pretendo servers.
If you want help troubleshooting why you couldn’t log into your PNID, we can help you.