When working with Silverlight, I\'ve noticed that Firefox will cache the XAP file, so if I do an update, a user may be stuck using an outdated version. Is there a way to fo
This is what I do in php. You read the date/time of the xap file, and append it as a parameter to the download link. In that way the browser sees new file versions as new links, and therefore not in its cache.
Simple and it works. Also, browsers continue to cache correctly when there are no updates to download.