In the last couple of days Cydia had problems with some repositories that were causing the platform to crash. Although , iH8sn0w said he will release sn0wbreeze around new years, he released a new tool instead , called FixCydiaCache to fix problems that you might encounter with Cydia.
- afc2add package from cydia
- Download FixCydiaCache
- Load it and connect your iDevice to the PC
- Click on the only button that says “Fix My Cydia Cache!”
- Wait for a couple of seconds