I was downloading a theme for winter board on my iPhone 3GS iOS 5.0.1
and suddenly Cydia crashed, when i opened it back up.
i got this error:
dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem
Whenever i startup cydia i get this error and if i tap "Return to cydia" it goes back but its completely blank
[Edit]** Nevermind i found how to fix it.. By going to /var/lib/dpkg/updates and deleting all the numbered files eg "0000" "1111" and respring.
Open cydia and it should be back up and working.