Unfortunately people will actively refuse to read any kind of diagnostic information that you do output to them, as I have learned during over a decade of doing

Unfortunately people will actively refuse to read any kind of diagnostic information that you do output to them, as I have learned during over a decade of doing troubleshooting sessions with customers. If you're having a good day, you can get them to leave a pop-up error message open for long enough to read the whole thing on the third or fourth attempt. On a good day...