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How to fix “android process acore” has stopped errors on Android:

You might be seen a common error pop-up on your Android that is “unfortunately the process android.process.acore has stopped“. This bug or glitch mainly occurs when you navigate the phone’s dialer or contact app or try to call someone. However, other than the Contacts app there are also several reasons that may cause this bug. The pop-up will temporarily disappear on tapping ok, but it may be possible that it will come back. Appearing the “android.process.acore” error again and again can be highly annoying, especially when you don’t know how to fix it.

This article will illustrate some common ways to fix the “unfortunately the process android.process.acore has stopped” problem on Android phones.

What caused the error “android.process.acore” to stop working?

The error “android.process.acore” stopped working arises due to many causes. However, one of the common causes for this error has a corrupt file in your contact’s cached data on your Android device. Also, you may see this error after updating your phone OS or a temporary glitch in synching any accounts process like Google, Facebook, etc.

Other causes for this error are lack of enough storage space, running an older version of the Android version, or a malicious virus attack on your phone. Most of the reasons for this error are unpredictable and unavoidable.

Below, we have listed some quick methods to resolve this error, but keep in mind to take a backup of your device’s data before performing any of the given solutions. Taking a backup of your phone’s data protects you from any data lost from your device.

Method to fix “android.process.acore has stopped” bugs on Android

1. Update apps and restart your phone
2. Clear data and cache from Contacts and Contacts storage
3. Clear Device Cache partition
4. Remove and re-add your Google account
5. Update the phone’s software
6. Reset App preferences to default, check to disable apps
7. Perform factory reset

Update apps and restart your phone

Sometimes the error “android.process.acore” pop-up while running the older version of apps on an Android device. So start solving this problem by updating the apps running on your phone from Play Store. Check for the new updates for your apps, especially Contacts, Phone, and other system apps. If there are updates available on Play Store, go for them and update to the latest version. Updating apps to the latest version fixes lots of issues. Once you are done, restart your Android phone and check the error has gone. If it still pop-ups, proceed with other methods listed below.

Clear data for Contacts and Contacts storage

Clearing all data and cache for Contacts, Contacts Storage, and Google Contacts apps help to resolve the “android.process.acore has stopped” error from your device. Cleaning data for Contacts apps will reset your app to default and remove associated bugs. Cache files contain data that helps better user experience in terms of performance and ease of use. Deleting cache files may slow down the speed for a while.

Following are the steps to clear cache data from your Contacts app; the steps may slightly differ based on the device you are using, but they are mostly the same:

1. Launch the Settings app on your Android smartphone.
2. Tap on the App management and then App list (App info).
   
3. From the available apps, select the Contacts app to open it.
   
4. Tap on Force Stop to kill the app.
   
5. Go to Storage usage and tap to clear all data and cache
   

After cleaning the Contacts app’s cache and data, you also need to clear data and cache from two more apps, i.e., Contacts storage and Google Contacts sync. To navigate these apps, tap on the menu (3-dots) option on the “App list (or App info)” screen and select Show system.

Clear Device Cache partition

Wiping the device’s cache partition can help fix bugs on your phone, including glitches and undetected errors. This action deletes any temporary or corrupt data if present on your phone but does not delete any other data. It is recommended to perform this action carefully and not select any other options. Also, keep the backup of your all data to protect them from accidentally formatting the phone.

1. Turn off your Android phone.
2. Press and hold the power + volume down button simultaneously to open recovery mode. The button combination may vary from phone to phone. You can search to open recovery mode on Google for your Android phone.
3. Once the recovery mode screen opens, use the volume up and down button to navigate the option to Wipe cache partition.
4. Press the power button to select and reset the cache partition.
   

Remove and re-add your Google account.

Another working trick to fix the “android.process.acore has stopped” bug is by removing the Google account from your phone. There may be possible that conflicting errors arise between your Google account and your Contacts app. Once you have removed all your accounts, including Google and Facebook, restart your device. Removing and re-adding Google and other accounts will fix the “android process acore has stopped” if any issues occur with the Google account and Contacts app.

Following are the steps to remove your Google account from your device:

1. Launch the Settings app on your phone.
2. Navigate to the account section and tap on the Users & accounts.
   
3. Now tap on the Gmail Account. If you are using multiple Google accounts, remove them one by one similarly.
   
4. Tap on the menu option (2-dots) at the top right of the screen.
5. Tap on the Remove account and confirm your action by tapping on the Remove account
   

Once you have removed your Google account successfully, re-add it back to your Contacts app (phone). To add an account, tap on the Add account from the bottom and select Google. Now enter your Google credential to add. If you have any synced data, they will be re-synced to your Contacts or other apps.

Like the Google account, remove the Facebook account and related apps like Facebook Messenger, and restart your phone. After restarting your phone, re-add and sync your Facebook account.

Update the phone’s software

We know that device manufacturers regularly update their phone’s software to add more and the latest features and fix bugs. Sometimes not updating the phone’s software to the latest version may lead to bugs and glitches. If you see an “android.process.acore” error, check for any software updates available on your phone.

Here are the steps to check software updates on your Android smartphone:

1. Open the Settings app of your Android device.
2. Tap on the Software updates to check any updates available. On some devices, navigate through About phone.
   
3. If updates are available, download and install them on your phone.
   
4. Finally, restart your phone to make the change and fix the issue.

Reset App preferences to default, and check to disable apps.

Another method to fix the “android.process.acore has stopped” error is resetting app preferences to the default setting. It will restore all apps to their default settings and auto-enable any system apps that are mistakenly disabled. You may sometime not be aware of the disabled system app that leads to generating the “android.process.acore” pop-up error. So it is a good idea to reset app preferences to default so that it will enable the disabled apps.

Here are the steps to reset app preferences on your Android device:

1. Open the Settings app of your Android device.
2. Tap on the Apps and notifications and tap on the App info (view all apps).
3. Tap on the menu (3-dots) option at the top right corner of the screen.
4. From the available options, tap on the Reset app preferences
5. Tap on the Reset apps option to confirm your action.

Perform factory reset

If none of those mentioned methods resolve the error “android.process.acore has stopped working” on your Android phone, the last option is to perform a factory reset. However, performing a factory reset of the device will erase all your data and reset your phone to default settings when you buy it as brand new. So, if you are thinking of performing a factory reset, keep a backup of your data to recover and re-install them back into your phone. This method will fix all issues with your device.

The steps to navigate the factory reset option may vary depending on the phone model you are using. Keep in mind that once you start the factory reset process, you can’t stop it or rollback. Following are the steps to make a factory reset of the Android device.

1. Open the Settings app of your Android phone. In some devices, tap on the Additional settings.
2. Navigate to the “Backup and reset” option and tap on it.
   
3. Now, tap on the Erase all data (factory reset) option.
   
4. Finally, top on Erase all data to confirm factory reset action.
   

After erasing all data, the device will reboot automatically and set it to its default stage when it is brand new. To know more about factory reset in detail, look at how to reset your Android phone.

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