Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile. The 10th Potsdam HavelHop 2018 is an International Lindy Hop Workshop and will happen on May 10th – 13th in Potsdam (close to Berlin), Germany. The wildly popular gay dating app “Grindr” is facing accusations that a glitch. I tested and found to be accurate — is that someone not even signed in…