The built-in updater is listing lots of updates for the apps on my USB drive. When I click Next to download and install them, it goes to the Downloading and Installing screen, then I get "Downloading 1 of 25: /AppName/" but the lower progress bar just says "Connecting". It gives up trying on the first program, then proceeds to 2 of 25, which fails in the same way. I get "Unable to download the file. This could be due to a proxy or network issue...."
I have tried running the updater with the firewall switched off - exactly the same result.
Any idea what is wrong?