To begin with, there should be a link or an option on that error page that would give you more information about what the error with the security certificate is. Without that, it’s actually very difficult for me to take a guess at exactly what’s happening.
This is another case of Windows being particularly obscure. You see (and I’ll say this several times), appcompat.txt is not the problem.
I can hear a crowd of people saying, “Yes it is! It’s right there in this error message!” That’s what I mean by Windows being obscure. Read the error message carefully and you’ll see what I mean. Appcompat.txt is not the problem, it’s not the error, and it’s not the cause of the error … it’s information about the error.
Can I avoid retyping error messages when I need to report them?
In short, yes. Sometimes.
Microsoft points out how in one of the shortest Knowledgebase articles that I’ve ever seen. And as short as it is, the article even manages to include an error!