[Solved]- 9 Fixes For “Unfortunately the process android.process.acore has stopped” Error on Android

[Solved]- 9 Fixes For “Unfortunately the process android.process.acore has stopped” Error on Android

Have you ever been to an error on your android device stating “process android.process.acore has stopped”?

Do you know why it has occurred and how to get rid of it?

Obviously if you have come across this error for the first time then you will not know how to deal with. This is a common error to occur in Android devices.

But you don’t have to get worry much because I have the solutions for this error. Here in this blog, I will discuss about best methods to fix “process android.process.acore has stopped” on Android?

But before that, let us see what the error is actually and the reasons behind it, proceeding with solutions next.

About the error “Unfortunately, the process android.process.acore has stopped”

This issue is a common for several users and it stops you from accessing the device completely. It constantly displays “unfortunately the process android.process.acore has stopped”. Its very annoying as the device does not works smoothly.

This kind of error is linked with contacts list on phone and it is seen when you save, modify or delete any contact list.

It has several reasons behind that I will cover up in the below section.

Also Read: [SOLVED]- Unfortunately the Process com.android.phone Has Stopped On Android

Common scenarios behind android.process.acore has stopped

While going through the reasons for the above error, you will come across several of them and some common ones are mentioned below:

  • While firmware upgrade, something goes wrong
  • Custom ROM installation failed
  • When Android device crash then the error generally occurs as it regains functionality
  • Malicious virus or malware attack
  • Application data or updates gets damaged or corrupted

Solutions for process android.process.acore has stopped” on Android

Now its time to go through the solutions that will help you to fix “unfortunately the process android.process.acore has stopped” on Android phone.

So lets begin…

Method 1: Update your Android OS

Sometimes, due to old OS version on Android phone, the error is must to occur so in such situation, you should update the OS and see whether the error is resolved or not.

Follow the steps below:

  • First, go to Settings and then go to About section
  • Click on “Software update” > “Check for updates
  • If any update is available then update it
  • At last, Reboot your phone and that’s it

Method 2: Clear Facebook Messenger Data

If you have noticed then you should also know that Facebook is connected to your mobile contacts. And if you disable the FB app then the error can be fixed.

So you should clear out the cache and data of Facebook app. After that, disable sync for Facebook messenger and remove all contacts.  Now restart your phone and once and check whether the issue is solved or not.

If the error appears even now also then move to next solution.

Method 3: Clear Data of contacts list from App Manager

Doing this method will erase all your contacts from list, so backup all your important contacts and then follow the steps below:

  • First, go to Settings > click on App/Application manager
  • Now open ALL tab where list of applications will be listed
  • Search “Contacts” and click on it
  • There you will get “Clear Data” option > click on it

  • Now go back to application list > search “Contacts Storage” and tap on it
  • Here press “Clear Data” option and then restart your phone

That’s it…

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Method 4: Reset app preferences

Doing this step will auto enable the entire disabled apps and it will restore to default settings for the app. Follow the steps:

  • First go to Settings > click on App/Application Manager
  • Now open ALL option where all list of all applications will occur
  • Here you have to tap on Menu option
  • Then click on “Reset app preferences” option

  • You will get “Confirm” option and message saying “You will not lose any app data
  • Simply click on ‘Reset Apps’ to confirm the reset option
  • At last, Restart your device

That’s it…

Method 5: Clear system cache partition

Sometimes, the chance of getting such error is also due to system partition cache.  And if you clear the system cache partition then it can solve the error.

Follow the below steps:

  • First, turn off your device
  • Then press and hold Volume Up + Power + Home button at same time
  • You will get System Recovery option
  • Simply use Volume up or down key to access
  • Select wipe cache partition and press Power button to confirm the action

Method 6: Uninstall the unwanted apps

Sometimes when you download any third party apps then some apps are not compatible with the OS and leads to such unexpected error.

So its better to uninstall those apps:

  • First go to Settings > click on App/Application Manager
  • Now open ALL option where all list of all applications will occur
  • Then search for the apps you think are showing error like Facebook, Instagram, Messenger
  • Just for example, take “Google+” from app list
  • Then tap on “Force Stop” option and disable it
  • Here re-install the apps you have removed like Google+
  • After that, open ‘G+’ and click on Enable option
  • That’s it

Method 7: Clear App cache

To fix ‘android.process.acore has stopped’ on Android phone, even clearing app cache can solve the error. You need to follow the steps below:

  • First, go to Settings and then tap on Application Manager
  • Now move down and choose the particular app that is showing error
  • After that, tap on “Clear cache” option

Method 8: Turn off Sync option for Facebook, delete and restore contacts

Part 1: How to stop sync feature on Facebook

  • Simply go to Settings > choose “Accounts
  • Search for ‘Facebook’ and click on it
  • Now remove tick mark from “Sync contacts” to turn off Facebook sync

Part 2: Delete and restore contacts

Then remove the contacts by clearing contacts cache and ‘contacts storage’. When you finish every step, simply restart your phone and get back all your contacts with ease.

Method 9: Do factory reset of your phone

When all the above methods does not work for you to fix the error ‘android.process.acore has stopped’ then last option left is to do factory reset.

But doing this method will erase all your stored data so its suggested to backup all your stuffs from phone in safe place.

Now follow the below steps:

  • You need to go Settings > tap on “Backup and Reset” option
  • Then tap on Factory data reset

  • Here you will get a popup saying ‘all your data will be deleted from phone memory
  • After that, click on ‘Reset Phone’ option
  • Then follow the instructions as stated and wait unless your phone is completely reset to default

How to get back lost data from Android after factory reset?

This is also an important part to know whether the data can be recovered or not after doing factory reset on Android? The deleted data can be still recovered using recovery software like Android Data Recovery. This is one of the best ways to get back lost or deleted data from Android phone without any backup.

Whatever data is lost like contacts, photos, call logs, videos, documents, WhatsApp chats, audios and others are easily retrieved from Android phone.


Well, the error mentioned in this blog is a common one to occur for several Android users and so I have gathered few best ways to fix it. I hope the solutions mentioned in this blog will help you to solve “Unfortunately the process android.process.acore has stopped” on Android.

If you have any more suggestions and queries then don’t forget to mention them in the below comment section.

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