4
I checked before I posted that comment, you better try once more....
There appeared a beautifull link to the FAQ, also a good place to look for simple questions, as well as common tough ones.
Try it out, it's fun reading
Proof:
https://xoops.org/search.php?query=change+logo&action=results
My softheartednessAll the best! And happy XOOPSing