I've seen that happen a few times across different ROMs. A sync gets stuck and then you have to cancel it and restart it. Something's not syncing right if it keeps happening. Identify the app first then maybe the rest is academic.
This is a sample guest message. Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!