Hi Bert,
I red your link. My tiles are google tile style so they are XYZ tileset. Are you sure that I need a webserver?
I have my cache in local so I can access directly bypass webserver using url like file:///G://myimages//cache//{z}//{y}//{x}.jpg
I tested this kind of url within qGIS (qGIS--> XYZ Tiles) and the cache work fine..
Do you have tested it on ArcBluTile?
In any case is caddyserver available for windows?
Thank you
Giuseppe P.