> As said, no errors during install and delete. Or at least I haven't
> been put into the debugger with debug-on-error and neither has something
> with "error" in it been printed in *Messages*. So unless there's
> nothing in package.el handling or ignoring the error...
If the error heppened during deletion it will be messaged somewhat
discretely. It's not even guaranteed that there will be the word
"error" in the message. So look carefully.
I'm changing the error reporting now to be a little more informative.