For the record: yes, dbd::mysql was installed:

Please type in a space-separated list of modules you want to find
the installed versions for below.
> dbd::mysql

The version of dbd::mysql in C:/strawberry/perl/vendor/lib is 4.014

Press any key to exit.

[download]

I think the problem was this weird .dll file referred to above. Many thanks for all your help.

In reply to Re^4: Strawberry Perl and IIS not playing by bunchily
in thread Strawberry Perl and IIS not playing by bunchily

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