Win10 "Mail and Calendar" synchronization error 0x80c8043e solution

Method 1: Resolve via Powershell (official)

After entering Powershell in the Cortana search bar, Right click on the first result and select “Run as administrator", then enter the following command and press Enter:

Get-appxprovisionedpackage –online |  Where-object {$_.packagename –like “*windowscommunicationsapps*”} |  Remove-appxprovisionedpackage –online

After the run, re-download and install the Mail & Calendar app in the store. Of course, if this method doesn't work, you can try the following “civil program”.

Method 2: Uninstall KB3081436 Update (User Spontaneous)

This patch is the second cumulative update received by Win10 official version to fix various problems in the system. However, the patch itself has caused a lot of trouble for some users, such as the inability to install, or the "extra-segmentation" after installation, the 0x80c8043e error mentioned in this article is one of them.

It should be noted that this security update can be uninstalled without uninstalling, although you may have already installed the recently released third cumulative update patch KB3081438, but before uninstalling The patch still has some risks. In particular, if your third update installation fails, it's best to try not to solve the synchronization problem of Mail and Calendar in this way.

Uninstallation method is very simple, click Settings & Rarr; Update & Security & Rarr; Advanced Options & Rarr; View Update History & Rarr; Uninstall Update, then find KB3081436 in the pop-up window, double-click to uninstall .

Conclusion

A lot of users report that the second method works. If you are experiencing this problem, you can try it.