I have an iPhone 4 with untethered 5.0.1, when app store apps need updated, I go into app store app and hit update button, it starts downloading app like normal, then starts to install app, gets almost done then stops and brings up a bubble that says "Unable to download application...application can not be installed at this time."
It was doing this with 5.0 tethered, I updated thinking it might help. I've tried rebooting, resetting network settings, wifi on and off...
If I remove the app that needs update, I can then install app no problem... But I lose setting and saves that way... Like my angry birds!!! Really pissed me off, lost all my progress in that game.... Anyway, any help will be appreciated...

Thanks