One suggestion if you’re having problems with the Erco on Windows: go to your power settings in windows and disable selective suspend. Windows has an annoying bug (well, can’t blame MS entirely for trying to optimize power consumption), where a device that shares the same USB hub can affect...

Such is the problem with MMCX connectors. The outer snap ring will eventually wear down, if not the inner snap ring. However, this shouldn't be an unrecoverable fault as long as the center pin remains intact. It might take a bit of effort... first thing I'd do is take a drafting mechanical...