How to Fix Error Code 0x80c8043e in Windows 10

Grimm

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May 8, 2015
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One of the many errors that users have encountered in the last 20 days since Windows 10 came out is 0x80c8043e, which appears when trying to sync Mail and Calendar after upgrading to the new operating system.



While Microsoft hasn't specifically provided any guidance on how to fix this issue, posts on the company's Community forums reveal that quite a lot of users have actually come across the problem, and without an official workaround it's not difficult to understand why so many people turn to various unconfirmed methods.
Fortunately, there seems to be a way to fix error 0x80c8043e in Windows 10 because the problem appears to be caused by one of the three cumulative updates that Microsoft has released until now.


[h=3]How to fix it
[/h]
So basically, the easiest way (but not the best and you'll see why in a second) is by removing the KB3081436 update completely. And yet, you're not recommended to do that because the update also comes with other fixes and improvements, but if for some reason you really need those apps to work, here's what you have to do.
Right-click the Start button, launch a command prompt window with administrator privileges and paste the following command:
wusa /uninstall /kb:3081436
One of the users who posted on the Community forums also discovered an alternative method that also works, but no other Windows 10 adopter can confirm it for the time being:
Here's his message in full, but try it at your own risk:
“In order to get Email and Calendar app work again you need to create a new user account in your Windows 10. After you do that -> Transfer all your data and files to the new created account (apps will be set to default in the start menu but software and games installed in the old account will remain installed in the new account). After you done transfering all your data and files delete your all account and set the new one as Adminstrator and connect it online to your Microsoft account in settings->Accounts.”
 
Nov 30, 2023
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This error is the result of the update installation "Cumulative Update for Windows 10 (KB3081436)", may which does changes privileges in some components.

Solutions for Users:

1. You can remove applications with crashes for all users (if you want!) [PowerShell]
  • Get-AppXPackage -AllUsers "*People*" | Remove-AppxPackage
  • Get-AppXPackage -AllUsers "*windowscommunicationsapps*" | Remove-AppxPackage
  • may be errors by system rules (no errors in clean boot), but you can ignore those --> reboot PC
2. You can remove and block this update [Any Shell]
  • wusa /uninstall /kb:3081436
  • download this to block an update (blocking after uninstalling)
3. And of course, you can ignore that, because "After clean install windows 10 and update (I used a few tricks order updates in the hope that something will change) these errors will occur";
re-installing Mail, People and Calendar from the Store is not variant: no crash for Mail and Calendar, but will error of access 0x80c8043e (People will still be completed after the launch)

[RESOLVE] Today I tested this: do clean install windows 10 with local account.
On the next step, update install all microsoft updates, then sign in to your microsoft account from the Windows Store. Update all applications and YOU WILL HAVE NO PROBLEMS WITH THESE ERRORS AND CRASHING.
Good luck! (This is the best solution for me) Remeber: dont login during installation windows and before updating!

Microsoft, reconfigure your f****** cumulative update or release new, ty! I love Windows 10 too.