My nextbook 8D12F will not open apps. Notifications are Unfortunately, Messenger has stopped. Unfortunately Google Play Services has stopped and so on and so on. All I can see is the home screen.

try this

How do I fix unfortunately YouTube has stopped?
1. Force stop YouTube

1. Open Settings.
2. Select Apps & notifications.
3. Open All apps.
4. Navigate to YouTube and open it from the list of available apps.
5. Tap Force Stop.
6. Open YouTube again.

Dec 14, 2020

Fix: "Unfortunately YouTube has stopped" on Android - Mobile Internist

https://mobileinternist.com > fix-unfortunately-youtube-h... Search for: How do I fix unfortunately YouTube has stopped?

There is more, but make sure you are doing a Factory Hard Reset and not just a Forced Reboot.

https://www.google.com/search?q=%22Unfortunately+you+tube+has+stopped%22

..

Google Play Services, the preinstalled app on your phone plays an extremely crucial role in the regular running of your lenvono. If anything is wrong with it, then your lenovo will start throwing fits in the form of errors and crashes including 'Google Play Services keeps stopping' error.
To remove the error, you need to fix Play Services. Here you will find numerous ways to fix any issue related to Play Services. Let's get to know them.
1 Starting with, will actually with restarting you Lenovo.
2 Another that does wonders for any issue is to "clear the cache" and date of the particular app. In this case, we need to clear cache and data for "Google Play Services" and "Google Play Store".
Doing any of that will not delete any data from your phone. However, clearing data will log you out from Play Store and reset its settings. In settings
3 "Google Play Services" is a system app, you cannot remove it from your lenovo completely. However, you can uninstall the updates, which will revert it to the factory version forcing your phone to update it automatically, thus fixing any issue.
On the Google Play Services screen, tap on the "three-dot" icon at the top-right corner. Select Uninstall updates from the menu.
4 Unlike other installed apps, you don't have to update Google Play Services manually. It's done automatically in the background by your lenovo.
However, sometimes, the issue is with the update itself. So you need to update it to the newer or older version manually. We have covered ots of ways to update google play service in detail. Do check that. And if you face any issue while updating it, check fixes.
6 Similar to restart, sometimes booting in the safe mode fixes various issues on an Android phone. Again, doing that will not delete you data and you can access it in safe mode as well. Running the lenovo in safe mode also helps in identifying the issues caused by the third-party apps.
I hope these will get you over your issue with ease.

Hi click on the play store icon it. should open a page with 3 horizontal (LINES) with Google play beside them ...click on the 3 lines it should open a page WITH MY APPS & GAMES click this on & u should find you're apps to update.. cheers

not sure if this link will help you out.
https://www.google.co.uk/webhp?sourceid=chrome-instant&rlz=1C1CHBD_en-GBGB719GB719&ion=1&espv=2&ie=UTF-8#q=Why+is+my+emerson+tablet+not+letting+me+log+into+my+google+play+to+download+apps

Hi If U have logged in OK type in Google search.:::: Google play app download .:::::: it should open a page .for play app download . Cheers

Try uninstalling and reinstalling Google Play. Also try uninstalling old apps you don't use anymore. The 10.1 is about 8 years old, so it's possible that your version of Android is too out of date and there is some interference between versions of software and the OS.

JIMMY, CHECK LINKS BELOW TO SOLVE YOUR ISSUE.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
http://forums.androidcentral.com/ask-question/445111-how-fix-unfortunately-google-play-services-has-stopped-problem-my-nexus-7-2012-a.html

HOW TO Fix Google Play Services has stopped Error Message Tutorial Guide

http://www.pntbrother.com/google-play-has-stopped-working-solution-for-google-play

Welcome to Nextbook.com

www.nextbookusa.com/productdetail.php?product_id=9

If it's games that you prefer, there are thousands of free 3rd party apps ... To operate, all you need is just swipe your finger tips lightly. ... With new OTA capability, you will be automatically prompted when new updates are available for update.

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It looks like the Google Play Services (if you have a device that require Google Play Services) needs a reboot or you need to clean cache. If you are using google apps in a device that have no Google Play Services, then the apps will crash.
Also, clean the cache, go to settings, storage, and tap at cache data,this will clean the apps cache just in case there is a corrupt log.