Q: Yesterday I have upgraded my itune and icloud on my PC, now I notice my photo stream in my PC doesn't not get latest picture I took from my phone. Please advice what to do?

Yesterday I have upgraded my itune and icloud on my PC, now I notice my photo stream in my PC doesn't get latest picture I took from my iphone 4s (IOS 7.0.4). Whenever I open icloud photo, my PC prompts me the message below. Please advice what to do?