7 Fixes For android.process.acore Errors | ‘Stopped Working’ Solutions

In this post, we provide 7 fixes for the following error: “Unfortunately, the process android.process.acore has stopped“. Users complain that it “keeps stopping”

If you use Android devices, then you probably have seen an error message that goes something like “Unfortunately, the process android.process.acore has stopped”. While it is a really annoying error message that leaves you wondering what happened, it can actually be fixed pretty easily.

Over on Twitter, there are a lot of people experiencing this error- with one even threatening to go with Apple over Android!

By knowing what causes the error in the first place, it is possible to know how to fix it as well. We’ll discuss the possible cause of the error wherein the android.process.acore keeps stopping. After that, we’ll also discuss the fixes that you can use in order to solve these problems.

What is the Android.Process.Acore Has Stopped Error?

First of all, let’s discuss how you can get the error message indicating that the android.process.acore has stopped. This is usually caused by a problem with the contacts storage in your Android phone. It can be the contacts in your phone, email, or any contacts that are synced into your phone.

Knowing that, you will have a better idea of where to go in order to fix the problem. Therefore, if you see that the android.process.acore keeps stopping, you can try some of the steps below.

Quick Video Fix

How to Fix

1st Fix: Clearing Your Contact’s Data

The first fix comes from the community member of It’s a very simple solution that you can do by going to the Settings of your phone. Here are the steps to do the fix:

  1. Go to the Settings portion of your phone
  2. Click on Contacts Sync Adapter
  3. Click on Clear Data

After you do that, everything should be okay and the android.process.acore should go away. If that doesn’t work, you can try the second fix below.

Video Guide: Clean Up Your Messy iPhone or Android Contacts Now

2nd Fix: Clear Your Cache

Another fix comes from a community member of Quora wherein you just have to clear the cache of the application. Let’s say you’re using a contact app like the Contact List or the Contacts Backup, you just have to clear the cache to take out the android.process.acore has stopped message. Here are the steps to do that:

  1. Go to the Settings portion of your Android
  2. Go to the Application Manager section
  3. Click on Contacts App
  4. Click on the Clear Data option or Clear Cache option
  5. Restart your device

Once you restart your device, the problem should already be fixed. If that fix still doesn’t work, then you can move on to the third fix.

3rd Fix: Clear Your Facebook Messenger’s Data

Another possible cause of the problem would be due to data that comes from Facebook Messenger wherein your Messenger contacts are synced with your mobile contacts. So when the above fix doesn’t work, you can try clearing the data of your Facebook Messenger. Here’s how:

  1. Go to the Settings portion of your Android
  2. Go to the Application Manager section
  3. Click on Messenger
  4. Click on the Clear Data option or Clear Cache option
  5. Restart your device

Essentially, you’re just following the same steps mentioned in the 2nd fix except you’re now clearing the Facebook Messenger data. This was also mentioned by the same community member from Quora.

4th Fix: Reset App Preferences

If that still doesn’t work, then HP Customer Support also has some solutions that can help. The first one involves resetting the app preferences:

  1. Go to the Settings portion of your device
  2. Click on Application Manager
  3. Click on the Reset App Preferences option
  4. Restart your device
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Doing this should do the trick. If not, there are still other fixes that you can try out. Try the 5th fix next.

5th Fix: Clearing Your System Partition’s Cache

This fix, also from HP Customer Support, involves cleaning the cache on the system partition. Here are the steps to clear the system partition:

  1. Turn off your phone
  2. Press Up Volume, Power, and Home together
  3. Go to the Android System Recovery
  4. Scroll down to the Wipe Cache Partition
  5. Reboot your device

Doing this can help wipe out all the system partition cache, also wiping out the error causing the message.

Video Guide: Clear The Cache Partition On Android – Wipe Android System Memory Tutorial

6th Fix: Clear Google Play’s Cache

Although not usually a cause, HP Customer Support states that sometimes Google Play errors can cause the error message. So if you think Google Play is the cause, follow these steps:

  1. Go to the Settings portion of your Android
  2. Go to the Application Manager section
  3. Click on Google Play
  4. Click on the Clear Data option or Clear Cache option
  5. Restart your device

Video Guide: How to Clear Cache And Data From Google Play Services To Fix Play Store Errors

7th Fix: Factory Reset Your Phone

If none of the fixes work, then HP Customer Support recommends that you do a factory reset. It will wipe out all data and apps from your device so you’ll essentially start from scratch. Therefore, it’d be wise to back up your important files and data first before attempting this fix. Here’s how to do that:

  1. Go to settings
  2. Click on Backup and Reset
  3. Click on Factory Reset
  4. Reboot your device

As you most likely don’t want to wipe out all your data, just save this fix as a last resort in case the rest can’t work.

Video Guide: How To Factory Reset Your Android Phone

Forum Feedback

To understand more about android.process.acore and what users think about it, we searched through several tech support forums and discussion boards. In general, people were looking for android.process.acore keeps stopping, has stopped working, has stopped unexpectedly and needs a fix.

A phone user complained that his new LG G7 ThinQ was not working properly.

  • He had the phone for less than a week, and he was already getting an error saying that android.process.acore had stopped working.
  • The message appeared when he tried any open an app, and it was very annoying because he couldn’t use the phone at all.
  • The user looked for solutions online, but nothing he found helped him deal with the issue.
  • Finally, he restored the faculty settings of the phone.
  • The person added that he was going to install only the bare minimum of apps to try and locate which one was causing the problem.

android process acore keeps stopping
Another mobile phone owner also complained that he couldn’t use his phone because he was getting the android.process.acore has stopped working message.

  • The user explained that he hadn’t installed any new apps or made any changes to affect the performance of the phone, so he was completely baffled what was happening.
  • He pointed out that he scanned his device for malware and that the scan was clean.
  • What’s more, he couldn’t identify which program was causing the issue so that he could do a data reset.

A forum member shared that he couldn’t make any calls after android.process.acore error appeared. The user contacted LG support, and they told him that the problem was new to them and that they were working on it. In the meantime, they advised that he should perform a factory reset to get rid of the error message. While he was reluctant to do so after the factory reset everything was working fine.

A person observed that the problem appeared while she was using the Imgur app. She thought that the app might be the culprit because she did a factory reset and didn’t install it again and the message hadn’t appeared again.

Another forum poster said that he started experiencing the same problem as other LG users. He looked hard for a solution online and he discovered that uninstalling Verizon Cloud had fixed the problem for some phone owners. So he disabled Verizon Cloud and the android.process.acore error stopped appearing.

Android process acore has stopped

A user also added that you should not only disable Verizon app but that you should also uninstall it to its factory version. If you disable the app and delete the data, it might still not be enough to fix the android.process.acore error. He mentioned that you could uninstall the app from the play store if you can’t find it in the app list.

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Another individual commented that if you get the android.process.acore error on your tablet or phone, you should clear the cache and data on your Contacts app. However, the user warns that you have to back-up your contacts using an app from the play store if you don’t wish to lose them. Then you go to the Application manager, select the Contacts app and then click on Clear Data. After you restart the device, you shouldn’t encounter any issues.

A person also indicates that some users have success dealing with this error by uninstalling their Gmail app and account. He also mentions that if that doesn’t do the trick, you should try to clear your Facebook Messenger Data and disable the sync for Messenger.

A forum support member said that if you hadn’t had any luck getting rid of the error message, then you might try to reset your application preference. You just go to Settings > Application Manager > Reset App Preferences. You should also update your IOS to the latest version because it takes care of bugs and crashes.

Another commentator states that it is a common Android error which is related to your contact list. He adds that the bug might appear due to improperly installed software, android version incompatibility, lack of RAM, corrupted application data, or pending software updates.

A user also remarked that what solve android.process.acore error for him was uninstalling Facebook. He also recommends that you don’t sync your contacts with Facebook to avoid future problems with the application.


As you can see, it’s really not that hard to fix the whole android.process.acore problem. All you need to do is apply some of the fixes that we’ve mentioned here. We recommend that you try out the first few simple fixes before you go to the more “advanced” fixes because this problem is usually caused by a very simple error anyway. If the first few simple fixes don’t have any effect, then you can move on to the others.

As we mentioned above, the factory reset fix should be saved as a last resort. It is the fix that can cause the most inconvenience because it can wipe out all your data in an instant. From there, you have to bring back everything that you have deleted. That’s why we don’t recommend using it unless you have absolutely no choice or have backed up all of your files.

Fortunately, at least one of these solutions will be able to work for you. All you have to do is do a trial and error and see which one can solve the problem.

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