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Fix Mail, Calendar, and People apps not working: If you've recently upgraded to Windows 10, the Mail, Calendar, and People apps may not work and may be crashed for some reason. If you try to open the Mail and Calendar app you get error code 0x80040154 whereas if you open the People app it will just crash. In short, you won't be able to access any of the above apps and if you try to open them they will definitely crash until you fix the underlying problem.

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According to Microsoft, this happens due to a licensing issue with the Windows Store and they have listed a quick fix that we will discuss in the next guide. So without wasting any time, let's see how to troubleshoot mail, calendar, and people apps not working in Windows 10 with the troubleshooting steps given below.

Fix mail, calendar and people apps not working

Make sure to create a restore point in case something goes wrong.

Method 1: Reinstall the Mail, Calendar, and People apps

1.Type powerhell in Windows search, then right-click PowerShell and select Run as administrator.

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2.Now type the following command in the PowerShell and hit Enter:

Get-approvisionedpackage -online | wheree-object {$_.packagename -like "* windowscommunicationsapps *"} | provision removal package - online

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3.Once the above command is completed, open Windows Store from the start menu.

4.Reinstall the Mail, Calendar and People apps from Windows Store.

Method 2: Reset the Windows Store Cache

1. Press Windows key + R, then type "wsreset.exe" and press enter.

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2.Let the above command run which will reset your Windows Store cache.

3.When this is done, restart your PC to save the changes.

Method 3: Run the Windows Store App Troubleshooter

Go to this link and download the Windows Store app troubleshooter.

2.Double-click the download file to run the Troubleshooter.

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3. Make sure to click Advanced and check "Apply repair automatically".

4.Let the Troubleshooter run and Fix Windows store not working.

5.Now type "troubleshooting" in the Windows search bar and click Troubleshooting.

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6. Next, in the left pane of the window, select View All.

7. Next, in the list of computer problems, select Windows Store Apps.

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8. Follow the instructions on the screen and let the Windows Update troubleshoot run.

9.Restart your PC and try installing the Windows Store applications again.

Method 4: Reregister Windows Store

1.In Windows search, type Powershell, then right-click Windows PowerShell and select Run as administrator.

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2.Now type the following in the Powershell and hit enter:

Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$ ($_.InstallLocation) AppXManifest.xml"}

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3. Let the above process finish and then restart your PC.

This should fix your mail, calendar, and people apps not working, but if you're still stuck with the same error, proceed to the next method.

Method 5: Manually reinstall some apps

If all else fails, then as a last resort, you could manually each of the above apps and then manually reinstall them from the PowerShell window. Go to this article which will show you how to manually reinstall some apps to fix Mail, Calendar and People apps not working.

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That's all you have successfully fixed for Mail, Calendar, and People apps not working on Windows 10, but if you still have any questions about this post, feel free to ask them in the comment section.