lardy Connecting...[ERROR] Could not connect to COM3 at baudrate 115200:Serial error: could not open port 'COM3': WindowsError(5, 'Access is denied.')Anet A8
Repetier Looks like an other software is already connected to COM3. Do you have Repetier-Server running which autoconnects to configured printer? In that case use Repetier-Server connector to communicate with printer.