The iPhone Dev-Team has released RedSn0w 0.9.8b2 fix issues with running App Store apps after jailbreaking iOS 5.0b3.redsn0w 0.9.8b2 http://is.gd/6eek4Y should fix 50b3 App Store issue (if you're already JB, just use this to boot tethered)You can download the updated RedSn0w from here: (Mac, Windows)You can find instructions on how to jailbreak iOS 5.0 beta 3 here:● iPhone 4 (Windows, Mac)● iPhone 3GS (Windows, Mac)● iPad 1 (Windows, Mac)● iPod touch 4G (Windows, Mac)● iPod touch 3G (Windows, Mac)