K.P.

I am not suggesting root cause analysis here at all, just an orderly exit with a message along the lines: 'Executable could not be created. (Either in use, read-only or...

@kenmo-pb : Agree with you - let's do it properly all the way!

Here's what ChatGPT suggested when I posted your question: It sounds like you are having trouble getting yagmail to work with OAuth2 authentication. This can be a tricky process, but...