XnView Software

Found the solution.

By default XnView is installed in the programs directory (which is totally fine), but also stores the database in this directory (which is a really bad idea) and doesn't inform the user if it can't access the database (which is a even worse idea).

The quick fix is stating the ...

Hi together,

I've just started looking at XnView MP for organizing my photos. In general it looks great but the categories drive me crazy.

So first of all I activated the following settings concerning Metadata:
"Import XMP...", "Export DB...", "Create XMP...", "Read...", "Write...", twice "Export ...