1.2.64b Data not logging (previous title was Usage view not updating)

The problem has happened again. Coincidentally at about the same time at night:

This time I cannot see when the time when it stopped logging data as clicking on he graph has left it stuck “Loading data”.

Last time this happened, I had GlassWire problems on my other PC. This has happened again:

FYI, I haven’t got the logging version of GlassWire from your helpdesk as @Servo_GlassWire suggested because I’ve taken a break from bug finding.

This time my other computer has stopped logging about 6-7 hours later: