https://fixyourandroid.com/fix/fix-android-process-acore-has-stopped-error/
android.process.acore is a service app on Android, accountable to help the Android OS to execute essential tasks like handing the calls, contact and call logs. You may get an "Unfortunately, android.process.acore has stopped" on your Android device while accessing the contacts or dialer app. This may be caused due to the corrupt cache of the dialer app. But, the situation goes worst when you get the error frequently.
 

comments (0)

224 more from AndroidGuide