Originally Posted by JSanders
1. Open App World
2. Go to My World
3a. For keyboard-based BB's -- Hold down the ALT key and press "RST"
3b. For Storm -- Hold the num-lock ("!?123") button so it locks and then hit "34("
4. If your BB locks after issuing the cache clear, perform a battery pull reboot
Didn't work when I went into My World. It did work though when I was on the feature screen in App world. Thanks!