How to get rid of the (android.process.acore) error:
For the People who are encountering this error which comes again and again on screen, just follow the below steps.
This error usually occurs because you might have forgot to WIPE when installing a NEW ROM. So always wipe when the ROM provider has stated so.
There are also other causes which result this error. So try the following methods:
1. Try uninstalling Facebook if that is installed. If this does not fix your problem then try the following.
Do you have your contacts backed up?
2. Settings->Applications->System Applications->Contacts Sync Adapter and press Clear Data, this error usually goes away.
If this doesn’t work, try clearing the data on Settings->Applications->System Applications->Contacts or Settings->Applications->System Applications->Contacts Storage.
If problem is fixed, then restore contacts and reinstall Facebook and make sure you don’t sync contacts with it.
3. Third and Final solution for me which I really dont like but has worked with me
Boot into Recovery than
1. WIPE DATA
2. WIPE CACHE PARTITION
3. MOUNTS & STORAGE > FORMAT SYSTEM
4.FLASH THE ROM
USE AT YOUR OWN RISK….