Steps to fix 'android.process.acore Has Stopped' error on Android

This error mainly occurs when you try to access the contacts app or the dialer on your phone.

You can make this pop-up go away, but it will keep coming back. It's a nasty bug that can cause your phone to crash. If you happen to encounter this error, try the steps below to get rid of it.

1. Update the app

It's important to check the Play Store for any new updates, especially for Contacts, Phone, and other system apps on the device. Having the latest version of the application helps to ensure that any bugs present are fixed. It eliminates any cases related to having an incompatible version or a glitch.

Once you have installed the latest versions of all apps, restart your phone and check if the error goes away.

2. Clear cache and data on all contacts apps

Clearing cache and memory on contacts apps helps to remove any corrupted files that could be causing the error. By clearing data for Contacts, Contacts storage and Google Contacts sync , apps will be reset, eliminating any related errors or cache data issues.

The Contacts app cache contains files that make it more efficient. File cache is created for ease of use and for a better user experience in terms of speed. By clearing the cache your data is not in danger but the application may work slower for a while.

On the other hand, clearing storage will remove all files, but re-syncing with your Google account or restoring a backup will bring them back.

Here's how to clear the memory and cache for the Contacts app :

Step 1: Go to Settings.

Step 2: Select Apps & notifications > See all X apps .

Step 3: Select Contacts.

Step 4: Click on Force Stop to kill the application .

Step 5: Click on Storage & cache .

Step 6: Click Clear cache.

Step 7: Click on Clear storage.

After clearing the cache and memory of the Contacts app , the next thing is to do the same steps for the other two apps, Contacts storage and Google Contacts sync . If you can't find Contacts storage , tap the three-dot menu on the App info screen and select Show system.

Facebook is also known for causing this error during sync, so you should disable contact syncing on Facebook and Facebook Messenger.

3. Reset application preferences

Reset app preferences will restore all apps to their default settings and automatically enable any disabled apps.

Disabling an important system app may cause some features to crash on your phone, resulting in the "android.process.acore has stopped" pop-up window appearing. You may not even know about accidentally shutting down an app, so you should reset your app preferences as a safety measure.

Here's how to reset application preferences:

Step 1: Go to Settings.

Step 2: Select Apps & notifications > See all X apps .

Step 3: Tap the three-dot menu in the top right corner.

Step 4: Select Reset app preferences .

Step 5: Click Reset apps to confirm.

4. Remove and re-add Google account

If there is any conflict between the Google account and the Contacts app, this could be the cause of the error. To solve any problem, a quick solution is to remove and re-add the Google account.

By removing and then re-adding the Google account, any existing glitches will be eliminated and any new software updates that may have been missed will be fetched.

Here's how to delete a Google account:

Step 1: Go to Settings.

Step 2: Select Accounts.

Step 3: Select your Google account.

Step 4: Select Remove account.

Step 5: Click Remove account again to confirm.

To add your Google account again, select Add account from the bottom and then select Google . Enter your credentials and you'll have your Google account back. If you've synced any data, the app will sync all of it again, which may take a while.

5. Wipe the system cache partition

Wiping your phone's cache partition can help resolve any issues on your phone. Any glitches or random errors that your phone didn't detect can be resolved by clearing the cache. This will erase any temporary or corrupted data on your phone but won't erase any of your data. However, You should still keep a backup copy of your data.

Here's how to wipe cache partition:

Step 1: Turn off the phone.

Step 2: Press and hold the Volume Down + Power or Volume Up + Power + Home buttons together.

Step 3: System Recovery mode will be displayed on the screen.

Step 4: Use the volume up and down keys to navigate.

Step 5: Select Wipe cache partition and then click the power button to confirm.

6. Restore factory settings

If none of the other solutions work, the last way to fix the 'Unfortunately, the process android.process.acore has stopped' error on Android is to do a factory reset. This will erase all data and reset your device to factory default settings.

If it's backed up, then you have nothing to fear as your phone will sync all data and reinstall all apps for you after doing a factory reset. If you haven't already, you should create a backup before performing this step.

Good luck with your troubleshooting!