Fix the 0x80040154 error on Windows 10 when logging into Mail and Calendar

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Ngày cập nhật gần nhất: 15/4/2026

Frequently Asked Questions

1.

What are the common issues faced when using Mail and Calendar on Windows 10?

Users often encounter the 0x80040154 error, which prevents access to the Mail and Calendar apps. This issue can be frustrating, particularly when trying to manage daily tasks effectively.
2.

What steps should I take before troubleshooting the 0x80040154 error?

Before attempting to fix the 0x80040154 error, it's advisable to create a Restore Point. This precaution allows you to revert your system back in case the troubleshooting methods lead to further complications.
3.

How can I reset the Mail and Calendar app to fix errors?

To reset the Mail and Calendar app, access Settings via Windows + I, select System, go to App & features, find Mail and Calendar, click Advanced options, and then click Reset. This will restart the app and clear any issues.
4.

Is it possible to fix the 0x80040154 error using Command Prompt?

Yes, you can fix the 0x80040154 error using Command Prompt. By running the command 'sfc /scannow', Windows will scan and attempt to repair corrupted system files that may be causing the error.

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