Finding my Network Shares on SMB1 Drives after the Windows 10 2004 Update

It's a PITA: you upgrade to 2004, and suddenly Windows can't find your drives anymore. If, like me, you generally use mapped drives onto your NAS suddenly losing them can be a real problem - enough to make you revert back to the previous OS version. And it seems to be a change to support (or the lack thereof) for SMB1 devices. We can't all upgrade our NAS devices or their software (and in my case, Seagate support haven't even got back to me after over a week) so we need a workaround. This provides two, one worked on my Desktop (most of the time) but not on my Surface (except occasionally) - but together, they seem to fix the problem.