Guide to Resolve Windows Mail Error Code 0x80040b0b

The Mail app provided by Microsoft Windows allows users to seamlessly integrate a variety of mail accounts, including Gmail, Yahoo, Outlook, and more. This integration facilitates efficient management of accounts and emails within a single application. However, a recent patch update to the Windows Mail app has led to an emerging issue—many users are now encountering an unfamiliar error code, 0x80040b0b, rendering them unable to access their emails through the Mail app. Delving into the issue, we've uncovered effective solutions to tackle this problem head-on. If you find yourself grappling with this dilemma, this guide is your one-stop solution.

Devising Top-notch Strategies to Tackle Windows Mail Error Code 0x80040b0b

Solution 1: Facilitate Mail App Through Windows Firewall

Solution 2: Automate Date and Time Settings

Solution 3: Temporarily Disable Antivirus or Windows Defender

Solution 4: Initiate a Reset for Mail and Calendar App

Solution 5: Keep Your Mail App Updated

Solution 6: Reconfigure All Email Accounts

Solution 7: Execute an SFC Scan

Solution 8: Reinstall the Mail App

Solution 9: Deploy the Windows Store Apps Troubleshooter

1. Absence of POP3 or IMAP Settings on Email Server

2. Windows Firewall Restricting Mail Operations

3. Third-Party Antivirus or Windows Defender Impeding Mail App

4. Malfunctioning Calendar and Mail Applications

5. Incorrect Password Input

6. Email Server Disruptions

7. Unstable Internet Connection

8. Outdated Windows Version

Now, let's delve into the array of effective remedies to eradicate the Windows Mail error code 0x80040b0b:

In cases where email synchronization was successful after Windows Defender deactivation, this step is crucial. Follow these steps to enable the Mail app through the Windows firewall:

1. Access Windows Defender Security Center.

2. Click on Firewall and network protection.

3. Opt for the "Allow an app through the firewall" option.

4. Select "Change Settings."

5. If Mail is listed as an allowed application, ensure that both Private and Public boxes are checked.

6. Confirm changes by clicking OK.

Incorrect device time and date can be a simple yet overlooked trigger. To mitigate this, switch your device's date and time settings to automatic:

1. Right-click the Date and time widget at the bottom of the screen.

2. Choose "Adjust time and date."

3. Turn off "Set time automatically" and "Set time zone automatically."

4. After a few seconds, toggle both settings back to ON.

In some instances, your antivirus software or Windows Defender might inadvertently block Mail app requests. Temporarily disable your antivirus software or Windows Defender using these steps:

1. Access Windows Defender Security Center.

2. Navigate to the Firewall and network protection tab.

3. Disable the Windows firewall for each network profile.

  

If the Mail app is behaving erratically, a reset can restore it to default settings:

1. Press Windows + I to open Settings.

2. Select "Apps."

3. Under Installed Apps, choose Mail and Calendar and click "Advanced Options."

4. Click "Reset" and confirm the action. This will reinstall the app with default settings.

Frequent updates often carry bug fixes. Updating your Mail app can resolve the error code 0x80040b0b:

1. Launch the Microsoft Store app.

2. Click on Library in the left pane.

3. Select "Get updates" from the menu.

4. Locate and select "Mail and Calendar."

5. Click the "Update" button to initiate the update process.

If you haven't tried this yet, re-adding your email accounts might resolve the issue:

1. Open the Mail app.

2. Click on the Settings icon in the lower-left corner.

3. Access "Manage Accounts."

4. Select the account you wish to remove.

5. Click "Delete account."

6. If the Delete account option is missing, your default email account isn't listed.

7. Return to Settings and click "Add Account" after removing accounts.

Running an SFC scan can effectively address the Windows Mail 0x80040b0b error code:

1. Run Command Prompt as administrator by pressing the Windows key, typing "cmd," and selecting "Run as administrator."

2. Input the command "SFC /scannow" and press Enter.

3. Once the scan concludes, restart your computer and check for resolution.

When all else fails, consider reinstalling the Mail app:

1. Press the Windows key on your keyboard.

2. Search for "Powershell" in the search bar and run Windows PowerShell as an administrator.

3. In the PowerShell window, type the command: 

4. Press Enter to execute the command.

5. Access the Windows Store and find the Mail and Calendar app.

6. Reinstall the Mail and Calendar app from the Microsoft Store.

Running the Windows Store apps troubleshooter can be a viable solution:

1. Open the Settings app using Windows key + I and select "Troubleshoot."

2. Choose "Other troubleshooters."

3. Click "Run" under the Windows Store Apps option and follow on-screen instructions.

This comprehensive guide empowers you to navigate and overcome the Windows Mail Error Code 0x80040b0b on Windows 11. Feel free to share your thoughts in the comments section below. For more tutorials, subscribe to our DigitBin YouTube channel. Best of luck!