Thread:Project:Support desk/Problem with reuploading and uploading Images

Hi we are using a MediaWiki 1.17.0 and encountered a problem with re-uploading and sometime uploading images.

The upload image is there since using purge shows it, however without the purge it either still show the old image, old thumbs and/or no image at all, here is an example:
 * http://awoiaf.westeros.org/index.php/File:Dothraki_Sea_world_map.png
 * http://awoiaf.westeros.org/index.php/File:Dothraki_Sea_world_map.png?action=purge

any thought what may cause this and/or how do we fix this?