calender and mail keep closing

After installing windows 10, the stock calender and mail app keep closing after 5 to 10 seconds after I clicked them open. Any fix?

Safal Piya

Well-Known Member
Yeah, it's a bug in windows 10. Microsoft are trying their best for this fix. But if this problem continues, you may have to reinstall windows 10 with the original iso files given below:
More alternative:
Key: W269N-WFGWX-YVC9B-4J6C9-T83GX

I've been on chat with Microsoft (re Mail and People apps - they stopped working couple of days ago), and they instructed me to uninstall KB3084036 and then to hide it from being installed again.
While uninstalling an update is easy (Settings -> Update and Security -> Windows Update -> Advanced Options > View your update history > Uninstall Updates), it will only keep installing again. In order to prevent this, Microsoft has issued a troubleshooter package, which may hide updates from being installed. The description and download link are here:

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