All About Fix Yahoo Error Code 0x800c0004 in Windows 11 Mail App

All About Fix Yahoo Error Code 0x800c0004 in Windows 11 Mail App

Yahoo is one of the most popular email service providers, used by millions of people worldwide. However, users have recently reported encountering an error code 0x800c0004 while trying to access their Yahoo emails through the Windows 11 Mail app. This error can be frustrating and disruptive, preventing users from sending, receiving, or even accessing their emails. In this article, we will delve into the reasons behind this error and provide step-by-step solutions to fix it. We will also discuss some preventive measures to avoid encountering this error in the future. So, if you are facing Yahoo error code 0x800c0004 in your Windows 11 Mail app, keep reading to find out all about it.

Fix: Yahoo Error Code 0x800c0004 in Windows 11 Mail App

While Windows 11 Mail app offers a convenient way to manage your emails, it can sometimes throw an error code 0x800c0004 when trying to connect to your Yahoo account. This error can be frustrating and prevent you from accessing your emails. But don’t worry, we’ve got you covered. In this guide, we will discuss the possible causes of this error and how to fix it.

Causes of Yahoo Error Code 0x800c0004 in Windows 11 Mail App
There can be various reasons behind the Yahoo error code 0x800c0004 in Windows 11 Mail app. Some of the most common causes include:

1. Incorrect login credentials: The most common cause of this error is entering incorrect login credentials. Make sure you are entering the correct username and password of your Yahoo account.

2. Outdated Mail app: If you have not updated your Mail app for a long time, it may cause compatibility issues with your Yahoo account and result in the error.

3. Security settings: The security settings on your Yahoo account may be blocking the Mail app from accessing your emails, resulting in the error.

4. Server issues: Sometimes, the Yahoo server may be down or facing technical difficulties, which can lead to the error.

Now that you know the possible causes, let’s look at the solutions to fix the Yahoo error code 0x800c0004 in Windows 11 Mail app.

Solution 1: Check Login Credentials
The first thing you should do is double-check your login credentials. Make sure you are entering the correct email address and password. If you have recently changed your password, try using the new one. Also, consider using a different browser or device to log in to your Yahoo account to ensure your credentials are working.

Solution 2: Update Windows 11 Mail App
If your Mail app is not updated, it may cause compatibility issues with your Yahoo account. To update the Mail app, follow these steps:

1. Open the Microsoft Store app on your Windows 11 PC.

2. Click on the three dots in the top right corner and select Downloads and Updates.

3. Click on Get Updates and wait for the Mail app to update.

Once the update is complete, restart your computer and try connecting to your Yahoo account.

Solution 3: Check Security Settings
Your Yahoo account’s security settings may be blocking the Mail app from accessing your emails. To check and update the settings, follow these steps:

1. Log in to your Yahoo account through a web browser.

2. Go to Account security settings.

3. Make sure the Allow apps that use less secure sign-in option is turned on. If it is off, toggle the switch to On.

4. Save the changes and try connecting to your Yahoo account through the Mail app.

Solution 4: Clear App Data and Cache
Clearing the app data and cache can help resolve any corrupt files or settings that may be causing the Yahoo error code 0x800c0004. Follow these steps to clear the app data and cache for the Mail app:

1. Go to Settings > Apps > Apps & Features.

2. Search for the Mail and Calendar app and click on it.

3. Click on the Advanced options button.

4. Under Reset, click on the Reset button to clear the app data and cache.

5. Restart your computer and try connecting to your Yahoo account through the Mail app.

Solution 5: Check Yahoo Server Status

1. Run the Store Apps Troubleshooter

The Windows Store is a great place to find and download apps for your Windows computer. However, sometimes things can go wrong and you may encounter issues with the apps you have installed from the Store. These issues may include apps not launching, crashing, or not working properly. Luckily, Windows has a built-in tool called the Store Apps Troubleshooter that can help you diagnose and fix these problems.

In this blog post, we will walk you through the steps to run the Store Apps Troubleshooter and how it can help you resolve app-related issues on your Windows computer.

Step 1: Open the Settings app
To access the Store Apps Troubleshooter, you need to open the Settings app. You can do this by clicking on the Start button and selecting the gear icon or by pressing the Windows + I keys on your keyboard.

Step 2: Go to Update & Security
In the Settings app, click on the Update & Security option.

Step 3: Click on Troubleshoot
In the left menu, click on Troubleshoot.

Step 4: Run the Store Apps Troubleshooter
Scroll down on the right side and click on the Additional troubleshooters option. Then, click on the Run button under the Windows Store Apps troubleshooter.

Step 5: Follow the instructions
The troubleshooter will start detecting and fixing issues related to your apps. Follow the instructions on the screen and let the troubleshooter run its course. It may take a few minutes for the process to complete, so be patient.

Step 6: Restart your computer
After the troubleshooter has completed its tasks, restart your computer for the changes to take effect.

Step 7: Check if the issue is resolved
Once your computer has restarted, check if the issue with your apps has been resolved. If not, you can try reinstalling the problematic app or contacting the app’s developer for further assistance.

The Windows Store Apps Troubleshooter is a handy tool that can help you fix issues with your apps in a few simple steps. However, if the troubleshooter is unable to fix the problem, you may need to look for other solutions such as updating your Windows or performing a clean boot.

In conclusion, if you are facing any issues with your apps from the Windows Store, running the Store Apps Troubleshooter should be your first course of action. It can save you time and effort by automatically diagnosing and fixing app-related issues. We hope this article has been helpful and you can now enjoy a hassle-free experience with your Windows Store apps.

2. Remove the Yahoo account

2. Remove the Yahoo account

If you have decided to switch to a different email service or simply want to clean up your inbox, you may want to remove your Yahoo account. Doing so is a relatively easy process, and in this blog post, I will guide you step by step on how to remove your Yahoo account.

Step 1: Log into your Yahoo account
In order to remove your Yahoo account, you will need to log in to it first. Once logged in, click on the Account Security tab located on the left-hand side of your screen.

Step 2: Select the “Close my account” option
On the Account Security page, scroll down until you see the “Close my account” section. Here,
click on the “Close my account” button.

Step 3: Review the account termination terms
Before proceeding further, make sure to carefully read through Yahoo’s account termination terms. These include important information such as losing access to your emails, data, and services associated with your Yahoo account. If you agree to the terms, click on the “Continue to Delete My Account” button.

Step 4: Verify your identity
Yahoo will ask you to verify your identity by entering your password and solving a captcha. This is to ensure that you are the rightful owner of the account and not a malicious entity attempting to delete it.

Step 5: Confirm the deletion
After verifying your identity, Yahoo will once again present you with the account termination terms. Read through them once more and click on the “Yes, terminate this account” button to confirm the deletion.

Step 6: Wait for the account deletion to complete
After clicking on the confirmation button, your Yahoo account deletion process will begin. It may take anywhere from 30 to 90 days for your account to be completely deleted. During this time, your account will be deactivated and you will not be able to access any of your Yahoo services.

Step 7: Check for any remaining subscriptions or services
Before completely closing your Yahoo account, make sure to check for any remaining subscriptions, services, or automatic payments that are linked to your account. Cancel or transfer them to a different email address to avoid any disruptions.

And with that, you have successfully removed your Yahoo account. It’s important to note that once your account is deleted, it cannot be recovered. So make sure to save any important emails or data before proceeding with the deletion.

3. Generate an email password from Yahoo

Subject: Secure Your Yahoo Account with a Strong Password

Hello Readers,

In today’s digital age, we have all become heavily dependent on our email accounts for communication, information, and storage. Yahoo is one of the most popular email service providers and is used by millions of people worldwide. With the increasing incidents of cyber threats and hacking, it has become crucial to secure our online accounts with strong passwords.

If you are using a weak or easily guessable password for your Yahoo account, it’s time to change it to a strong and secure one. In this email, I will guide you through the process of generating a strong password for your Yahoo account.

Step 1: Avoid Using Personal Information
The first step to creating a strong password is to avoid using any personal information like your name, date of birth, or address. This information can easily be found online and makes your account vulnerable to hacking. Therefore, it is advised to keep personal information out of your password.

Step 2: Use a Combination of Letters, Numbers, and Special Characters
A strong password should contain a combination of letters, numbers, and special characters. This makes it difficult for hackers to crack your password. You can use both uppercase and lowercase letters to make your password even stronger.

Step 3: Make It At Least 12-15 Characters Long
Your password should be at least 12-15 characters long. The longer the password, the harder it is to crack. So, make sure to use a good mix of letters, numbers, and special characters to make it long and strong.

Step 4: Avoid Common and Repeated Patterns
Avoid using common patterns like “123456” or “qwerty” as your password. These are easy to guess and can put your account at risk. Also, do not use the same password for multiple accounts. In case one account gets hacked, all your other accounts will be vulnerable too.

Step 5: Use a Password Generator
If you find it challenging to come up with a strong password, you can use a password generator tool. These tools create random and unique passwords that are difficult to guess or crack. You can find many reliable password generator tools online.

Finally, once you have generated a strong password for your Yahoo account, make sure to keep it safe and do not share it with anyone. Keeping your password secure is your responsibility, and it is essential to change it regularly to avoid any security breaches.

I hope this email helps you in generating a strong password for your Yahoo account. Stay safe and secure online.

Best Regards,
[Tech Blogger Name]

4. Update the Mail App

One of the most widely used features on our smartphones is the mail app. We rely on it to stay connected and to keep track of our important messages, whether for work or personal use. With the constant evolution of technology, it’s important for our mail apps to keep up with the changes as well. That’s why developers are constantly updating and improving the mail app to enhance the user experience. In this blog, we will discuss some of the latest updates to the mail app that you should know about.

1. User Interface

One of the first things you’ll notice in the latest updates of the mail app is the user interface changes. Designers have been working hard to give the app a modern look with better functionality. The interface is now cleaner and simpler, making it easier to navigate and use. You may also notice new icons and color schemes that give the app a more cohesive feel.

2. Dark Mode

Dark mode has become increasingly popular among users as it not only makes the app look sleek, but it also has practical benefits. With the latest update, the mail app now has a dark mode feature. This allows users to switch to a dark color scheme which is easier on the eyes, especially in low light conditions. Not only does this give the app a fresh new look, but it also helps with battery conservation.

3. Improved Security

In today’s digital world, security is a top priority for users. That’s why developers are constantly working on improving the security features of the mail app. With the latest updates, you’ll find enhanced encryption methods and measures to protect your inbox from spam and phishing attacks. This gives users peace of mind knowing that their emails and personal information are secure.

4. Integration with Other Apps

The mail app is now more integrated with other apps on your device. You can now open attachments from your emails directly in other apps, saving you time and making the process more efficient. For example, you can open a document in a word processing app or a calendar event in your calendar app with just a few taps.

With these updates, the mail app has become more user-friendly, secure, and efficient. Whether you use it for personal or work purposes, the new features will make your experience smoother and more enjoyable. Make sure to keep your mail app updated to take advantage of these changes and stay connected in the best way possible.

5. Repair or reset the Windows 11 Mail App

5. Repair or reset the Windows 11 Mail App

The Windows 11 Mail app is a convenient tool for managing all your email accounts in one place. However, like any other software, it can run into issues that can affect its functionality. In this blog, we will discuss five ways to repair or reset the Windows 11 Mail app.

1. Clear the App Cache
The first thing you can try when experiencing issues with the Mail app is to clear its cache. To do this, open the Settings app, go to Apps > Apps & features, and look for the Mail app. Select it and click on the Advanced options. Scroll down and click on the Reset button under the Reset section. This will clear the app’s cache and might fix any issues you were facing.

2. Re-register the Mail App
If clearing the cache did not solve the problem, you can try re-registering the Mail app. This will reconfigure the app settings and can be helpful in fixing any underlying issues. To re-register the app, press Windows + R keys, type “powershell,” and hit Enter. In the PowerShell window, copy and paste the following command and press Enter:
Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

3. Update the App
Sometimes, the Mail app might not be functioning correctly because it is not up to date. To check for updates, open the Microsoft Store app and click on the three dots in the top right corner. Select Downloads and updates from the menu and click on Get updates. If there is an update available for the Mail app, it will be listed here. Click on Update to install it.

4. Reset the Mail App
If none of the above solutions worked, you can try resetting the Mail app. This will revert the app to its default settings and can fix any issues caused by corrupted files. To reset the app, open the Settings app, go to Apps > Apps & features, and look for the Mail app. Select it and click on the Advanced options. Scroll down and click on the Reset button under the Reset section.

5. Reinstall the Mail App
As a last resort, you can reinstall the Mail app. To do this, open the PowerShell window as described in step 2 and copy and paste the following command, hitting Enter after each line:
Get-AppxPackage Microsoft.windowscommunicationsapps | Remove-AppxPackage
Get-AppxPackage -allusers Microsoft.windowscommunicationsapps | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

After the process is completed, the Mail app will be uninstalled from your system. You can then reinstall it from the Microsoft Store.

In conclusion, the Mail app in Windows 11 can be repaired or reset if you are experiencing any issues with it. Try these steps one by one and see if it solves your problem. If the issue persists, you can contact Microsoft support for further assistance.

6. Reinstall the Mail & Calendar app

If you’re having trouble with your Mail & Calendar app not working properly or crashing frequently, one of the easiest solutions to try is to simply uninstall and reinstall the app. This will essentially give the app a fresh start and can fix any bugs or issues that may be causing problems.

Here’s how you can easily reinstall the Mail & Calendar app:

1. Go to the Start menu and type “powershell” in the search bar.

2. Right-click on the Windows Powershell app and select “Run as administrator.”

3. In the Powershell window, type the following command: Get-AppxPackage *windowscommunicationsapps* | Remove-AppxPackage

4. Wait for the command to finish running. This will remove the Mail & Calendar app from your system.

5. Once the command is done, type the following command: Get-AppxPackage -allusers *windowscommunicationsapps* | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

6. Hit Enter and wait for the command to finish. This will reinstall the Mail & Calendar app on your system.

7. Once the command is done, close the Powershell window.

8. Go to the Microsoft Store and search for “Mail & Calendar.”

9. Click on the app and select “Install.”

10. Once the app is installed, open it and see if the issues have been resolved.

Reinstalling the Mail & Calendar app is a simple yet effective solution for fixing any problems you may be having. It’s also a good idea to keep your apps up to date, so make sure to regularly check for updates for the Mail & Calendar app in the Microsoft Store. If the app continues to have issues, you may want to contact Microsoft support for further assistance.

7. Enable 2FA for your Yahoo mail

In today’s digital age, email accounts are often the gateway to our personal and professional lives. With the amount of sensitive information we receive and send through email, it’s crucial to take steps to secure our accounts from potential hackers. One essential security measure is enabling 2-factor authentication (2FA) for your email account. In this blog post, we’ll guide you through the process of setting up 2FA for your Yahoo mail.

Step 1: Sign in to your Yahoo mail account

The first step is to sign in to your Yahoo mail account using your email address and password.

Step 2: Access your account security settings

Once you’re signed in, click on your profile icon and select “Account info” from the dropdown menu. This will take you to your account settings page.

Step 3: Go to “Account Security”

On the left-hand side menu, click on “Account Security.” This is where you can manage security settings for your Yahoo account.

Step 4: Enable 2FA

Scroll down to the “Two-step verification” section and click on the “Toggle on for the extra security” button. You will be prompted to enter your phone number for verification.

Step 5: Choose your 2FA method

Yahoo offers two 2FA options – text message or authentication app. If you select text message as your preferred method, you will receive a code via SMS whenever you log in to your account from a new device. If you choose an authentication app, you will need to download an app like Google Authenticator or Authy and scan the QR code provided by Yahoo.

Step 6: Enter the code

After you have set up your preferred 2FA method, Yahoo will send you a verification code. Enter the code in the designated field to complete the setup process.

Step 7: Test your 2FA

Once you have enabled 2FA, sign out of your Yahoo account and try logging back in using your email and password. You should receive a verification code on your phone or authentication app, which you must enter to access your account.

That’s it, you have successfully enabled 2FA for your Yahoo mail account! With this added layer of security, even if someone manages to hack your password, they won’t be able to log in without the verification code from your phone or authentication app. This ensures that your email account and the sensitive information it contains remains secure.

It’s important to note that you will need to enter the verification code each time you log in from a new device or if you clear your browser’s cookies and cache. While this may seem like an extra step, it significantly decreases the chances of someone gaining unauthorized access to your account.

In conclusion, 2-factor authentication is an effective way to secure your Yahoo mail account. It’s a simple and quick process that adds an extra layer of protection to your emails. Don’t wait any longer, follow these steps and enable 2FA for your Yahoo mail account today!

8. Deploy DISM & SFC scans

8. Deploy DISM & SFC scans

In today’s digital world, having a reliable and well-functioning computer is essential. However, at times, our computers can encounter issues and start malfunctioning, which can disrupt our work and efficiency. Thankfully, tools like DISM and SFC scans can help solve these problems by repairing and restoring corrupted or missing system files. In this blog post, we will explore what these tools are, how to use them, and how they can benefit you.

What is DISM?

DISM stands for Deployment Image Servicing and Management. It is a command-line tool that is built into Windows Operating System. DISM is mainly used to service and repair Windows images, including those used for the Windows Recovery Environment, Windows PE, and Windows Setup. It can also be used to deploy operating systems, updates, drivers, and language packs. Additionally, DISM can be used to view and manage Windows packages found in an operating system image or a .wim file.

What is SFC?

SFC stands for System File Checker. It is a built-in utility in the Windows Operating System that can scan for and restore corrupted or missing system files. It helps keep your computer working correctly by verifying the integrity of system files and trying to repair them as needed. SFC works by comparing the current system files to the cached copy found in the Windows system folder. If it finds any discrepancies, it will replace the corrupted or missing files with the correct versions from the system folder.

Why should you use DISM and SFC scans?

There are several reasons why you should regularly run DISM and SFC scans on your computer. These include:

1. Resolving software issues: Sometimes, software conflicts or improper installation can cause system files to become corrupted or missing. Running DISM and SFC scans can help repair these files, ensuring that the software runs smoothly.

2. Fixing Windows errors: Windows errors such as DLL errors, Blue Screen of Death (BSOD), and black screen issues can be caused by corrupted system files. Running DISM and SFC scans can help resolve these errors and prevent them from occurring in the future.

3. Improving PC performance: Missing or corrupted system files can slow down your computer and affect its performance. By running DISM and SFC scans, you can repair these files and improve your PC’s speed and efficiency.

How to run DISM and SFC scans?

Running DISM and SFC scans on your computer is a straightforward process. Here’s how to do it:

1. Open the Command Prompt as an administrator by right-clicking on the Windows Start button and selecting “Command Prompt (Admin).”

2. To run the DISM scan, enter the command “DISM /Online /Cleanup-Image /RestoreHealth” and press Enter. This will scan your computer for any corrupted system files and repair them automatically.

3. To run the SFC scan, enter the command “SFC /scannow” and press Enter. This will scan your system for any missing or corrupted files and repair them automatically.

4. Once the scans are completed, restart your computer, and the changes will take effect.

In conclusion, DISM and SFC scans are essential tools that can help you maintain the health and performance of your computer. By running these scans regularly, you can keep system files intact and avoid potential issues in the future. So, the next time you encounter any software or Windows errors, don’t forget to run these scans to fix

9. Perform a repair install

Repair install, also known as in-place upgrade, is a process of reinstalling the operating system while keeping your personal files, apps, and settings intact. This can be a helpful solution when your computer is not functioning properly due to software issues or corrupted system files. Here are the steps to perform a repair install:

1. Backup your important files: Before proceeding with a repair install, it is always advisable to backup your important files. Although the process is designed to keep your personal files and settings, it is better to be safe than sorry.

2. Create a bootable USB or DVD: If you have a Windows installation media, you can use it to perform a repair install. If not, you can create a bootable USB or DVD using the Media Creation Tool provided by Microsoft.

3. Boot from the installation media: Insert the bootable USB or DVD and restart your computer. During the boot process, press the appropriate key (usually F12 or Esc) to access the boot menu and select the installation media as the boot device.

4. Choose language and keyboard options: On the Windows Setup screen, select your language, time, and keyboard input method and click Next.

5. Click on Install Now: On the next screen, click on the “Install Now” button to start the installation process.

6. Enter product key: If prompted, enter your product key. If you have a digital license, click on “I don’t have a product key”.

7. Choose the type of installation: Select “Upgrade” as the type of installation. This will keep your personal files, apps, and settings.

8. Start the installation: Click on “Next” and the installation process will begin. This may take some time, so be patient.

9. Restart your computer: Once the installation is complete, your computer will restart. On the next screen, select your country/region, and click on “Yes” to accept the terms and conditions.

Congratulations, you have successfully performed a repair install of Windows. Your personal files, settings, and apps will now be restored, and your computer should now be functioning properly. If you encounter any errors during the process, it is best to seek the help of a professional.


In conclusion, Yahoo Error Code 0x800c0004 in Windows 11 Mail App can be a frustrating roadblock for users trying to access their Yahoo emails. Luckily, with a few simple steps, this error can be fixed and users can regain full access to their accounts. Whether it is due to server issues, outdated settings, or corrupted files, there are several solutions available to resolve this error. By following the troubleshooting methods mentioned in this article, users can quickly and easily fix Yahoo Error Code 0x800c0004 and continue using their Yahoo mail accounts without any inconvenience. Remember to keep your Windows 11 Mail App updated and regularly check for any issues that may arise. With the proper knowledge and guidance, this error can

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