DYMO Label V.8 has stopped working

I use a program "Dymo Label V.8" to print labels on my two DYMO label printers. It was working fine until a week or two ago, since when clicking the "Print" button results instantaneously in "DYMO Label Software has stopped working". There is a "Debug" button, but that goes no further than "No registered JIT debugger was specified". I'm not skilled in this sort of debugging. I'm in...