Silverlight 5 - OOB install/update broken when using anti-cache trick

Answer 1

I have the same issue when run as OOB from Visual Studio

Regarding running from IIS remotely, I noticed that I had to edit the caching policy I had added to web.config - keeping that would always show the update/download progress logo (but would download faster than when a new version was available, only partial download maybe, but annoying to see the download progress even for a while every time)

I had to remove (comment out) the part that was trying to cache .xap till changed