Solved: How Do I Fix “the process android.process.acore has stopped” Error?

Problem: Error message “Unfortunately, the android.process.acore has stopped working error” prompt while trying to access the phone dialer or the phone contacts.

The final segment of the android.process.acore is acore which stands for Account Core. Android.process.acore is one of the common error messages for android users caused when cache data is corrupted. Hence whenever your device tries to contact the cache for running background it throws a crash report. This error is not just limited to mobile but happens to android based TVs and other devices also.

The detailed error message as below:

Unfortunately, the process android.process.acore has stopped.

Solved: How Do I Fix "the process android.process.acore has stopped" Error?
Solved: How Do I Fix “the process android.process.acore has stopped” Error?
Solved: How Do I Fix "the process android.process.acore has stopped" Error?
Solved: How Do I Fix “the process android.process.acore has stopped” Error?
Solved: How Do I Fix "the process android.process.acore has stopped" Error?
Solved: How Do I Fix “the process android.process.acore has stopped” Error?

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The process android.process.acoe has stopped unexpectedly. Please try again.
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Solved: How Do I Fix "the process android.process.acore has stopped" Error?
Solved: How Do I Fix “the process android.process.acore has stopped” Error?

Follow the below solution steps to resolve “the process android.process.acore has stopped” Error.

Content Summary

Potential Causes
Solution 1: Remove and Re-add Google Account
Solution 2: Uninstall Facebook and Messenger App
Solution 3: Clear Data and Cache
Solution 4: Update Apps
Solution 5: Repair System Apps
Solution 6: Reset App Preferences
Solution 7: Uninstall apps that were not installed from Googe Play store
Solution 8: Uninstall Apps
Solution 9: Hard reset or Factory reset
Solution 10: Hardware replacement

Potential Causes

  • Error on phonebook contacts and messenger apps.
  • Abruptly stopping the services contacts from facebook sync messed the original Contact App storage.
  • Contacts app data error.
  • System apps disabled or deleted by mistake.
  • Installing custom ROM.
  • Error while upgrading OS.
  • Virus or malware attack
  • Weak or broken EMMC chips (internal memory)

Solution 1: Remove and Re-add Google Account

Reminder: You may however lose a few contacts if you have not synced them to Google or some CardDAV/Contact service or your SIM.

Step 1: Go to System Settings > Accounts > Google > Remove your Google account.

Remove Google account
Remove Google account

Step 2: Go to Settings > Accounts > Google > Add your Google account.

Add Google account
Add Google account

Step 3: Restart android and accept all the Google terms.

Step 4: If that doesn’t work then remove and re-add all accounts which may provide PIM services such as Contacts, Calendar, etc…

Solution 2: Reinstall Facebook and Messenger App

Step 1: Uninstall Facebook and Messenger.

Uninstall Facebook and messenger app.
Uninstall Facebook and messenger app.

Step 2: Restart your phone.

Step 3: Install Facebook and Messenger from the Google Play store.

Step 4: Make sure Sync Contacts for Facebook Messenger is disabled. Open Facebook Messenger. Tap on your profile picture, swipe down to locate the People option. Confirm that the Upload contacts option set to Off.

Make sure Sync Contacts for Facebook Messenger is disabled.
Make sure Sync Contacts for Facebook Messenger is disabled.

Solution 3: Clear Data and Cache

Follow the below steps to clear the data and cache for contact-related services.

Reminder: Kindly back up the contacts and necessary data from your phone.

Step 1: Go to Settings > Applications > System Applications > Contacts Sync Adapter, tap on it to open the App info. Tap on Force Stop then Clear Data and Clear Cache.

Step 2: Go to Settings > Applications > Running > All and scroll to locate the Contacts/Contacts Storage app, tap on it to open the App info. Tap on Force Stop then Clear Data and Clear Cache. Disable the Contact App.

Step 3: Switch off your mobile for a minute or two and then switch it on again.

Solution 4: Update Apps

Bugs from previous updates and minor corrupted files often result in this error message. Start the Google Play store then check for updates (especially for mailboxes and cloud services) and install it. This could stabilize the Android OS. Or else, uninstall it and restart the device and then install it again.

Solution 5: Repair System Apps

Step 1: Download the Android Data Extraction app from the official website and install it on your PC.

Step 2: Connect the Android device to your PC and launch the software.

Step 3: Click Broken Android Data Extraction on the left side and follow the guide to enter download mode.

  • If your android stays in the broken screen, black screen or other faults > select the first option > Start.
  • If the system of your Android is damaged > click the second option > Start.
  • Select your problem from the list (if your problem is not listed, click others) and continue.
  • Select your device name > model > Confirm.

Step 4: This will finish the recovering and repair process.

Step 5: Restart your Android device.

Solution 6: Reset App Preferences

Resetting the app preferences will reset the preferences for the apps such as restricted permissions, disabled apps, background data for the restricted app, notification. The following process will not remove your data.

Step 1: Go to Settings > Application Manager or Apps > More.

Step 2: Click on Reset app preferences.

Click on Reset app preferences.
Click on Reset app preferences.

Step 3: Select Reset Apps then press OK.

Select Reset Apps then press OK.
Select Reset Apps then press OK.

Solution 7: Uninstall apps that were not installed from Googe Play store

Delete those apps which are not installed from the Google Play store. Some users reported that the error resolved after removing the Truecaller app or PUBG (installed by copying .obb files which are not advised by Google).

Solution 8: Uninstall Apps

Some user discovered the below apps which is the main reason for this problem:

  • Google
  • Facebook
  • Facebook Messenger
  • WeChat
  • Instagram

Apart from these apps, other apps can also cause this problem. Uninstall the update of these 5 apps and check again whether this error resolved.

Solution 9: Hard reset or Factory reset

Reminder: Back up your internal storage because a factory reset will erase everything.

For factory reset

Step 1: Go to Settings > Back up and reset.

Step 2: Select Factory Reset.

For hard reset

Step 1: Switch OFF the phone in the manner that you do normally (NOT restarting the phone).

Step 2: Press DOWN the HOME button, VOLUME UP button while at the same time press DOWN the POWER button UNTIL YOU SEE THE ANDROID LOGO APPEARS [Yes, pressing down the 3 buttons all at the same time and at once for about 3-5 seconds till you see the android logo appears].

Step 3: Press the VOLUME button to move up and down.

Step 4: Press the POWER button to SELECT the options given on the display.

Step 5: Press wipe data/factory reset option.

Step 6: After the phone has COMPLETED wipe data/factory reset (phone will display this information below the options given).

Step 7: Press reboot phone.

Step 8: Once the phone reboot/restart, you will see that the display is return to factory mode and you will have to reconfigure the phone setting for personalization again such as date, time, wifi, internet, email account setting, etc.

Solution 10: Hardware replacement

If the error still persists even after the factory/hard reset, then the problem might be either your phone has hardware issues. Contact technical assistance from official tech support.