I’ve done what you’ve written without any problem.
In C:\Program Files\Alwil Software\Avast4\DATA\report\Simple user interface_20031218_2012_main.xml I have a lot of

[E] File was skipped because of scanner settings (42016).

Here’s what I’ve chosen for scan options :

  • Select scan area : Folders
  • Select scan level : Standard
  • Select scan archive is checked.

I hope it can help.

If necessary, I can do other tests.

Sincerely.