iPad jailbreak suddenly stopped workin till i rebooted

[rob12770]

so, cydia and EVERYTHING i didnt install via the appstore, only oppens for a split second then closes, i reboot..no joy, i reboot again, andits workin.. should i be worried?
ipad 3 ios. 5.1.1
rob
oh yeah, and weirdly mail had nothing in it ?? no mail boxes nothin, just the grid

 

[Dav1]

Yep I would be. That is not normal. I'd reinstall (restore the firmware) and then setup as a new device if it was me, then rejailbreak if it was me...

 

[rob12770]

hmm, im unsure how to do that yet, restore firmware that is, i will see how it goes, it did it after installed an app, seems ok now.. il monitor it,
im a pc guy, have been for 15 years, new to this apple stuff.