I couldn't get version 6 working but downloaded the pre-release version 7 from their website and that worked straight away. https://oem.picotech.com/p7beta/download

I have exactly the same issue. Just got a new 2204A and downloaded the latest PicoScope 6.14.61 software. Admittedly I did plug it in before installing, but I unsinstalled the "Unknown Device" from device manager and tried again but still doesn't work. I got the same hash file error when trying to m...