I am attempting to upgrade my Silverlight project from the 2010.1 to 2010.2 using the upgrade utility, but I continuously receive the following message for different files depending on what project I am attempting to convert: "<FileName> appears to be read-only or not accessible for some reason."
I am running the Utility as an administrator and there are no locks on the files themselves, I can rename them etc. I am using Team Foundation Server for source control, could that be hindering my ability to upgrade?
Same problem for me. Did you find a solution?
I had to do the upgrade by hand.