Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)
No need to be rude on Menge he's just informing. The latest version of redsnow has fixed this, just rerun the jailbreak (b5) or go into Cydia and install Corona.
I've installed Corona and it's been working ever since. Normally it force closes of says that it needs to be plugged into iTunes because of some corrupted configuration.