Fix Outlook Error 0x800ccc90 in Outlook 2010

Outlook Error 0x800ccc90 in Outlook 2010 can be frustrating. Let’s explore how to fix it.

Probable Reasons for the Error

There are several probable reasons for encountering the error “Fix Outlook Error 0x800ccc90” in Outlook 2010. Some common causes include issues with the email account settings, incorrect password entry, computer virus or malware, problems with the internet connection, or a malfunctioning antivirus software.

To resolve this error, follow these steps:

1. Check your email account settings: Make sure the incoming and outgoing server settings, as well as the username and password, are correct. Verify if the server requires a secure connection or specific port numbers.

2. Verify your password: Double-check that you are entering the correct password for your email account. Ensure that the Caps Lock key is off and there are no typos.

3. Scan your computer for viruses: Run a full scan with your antivirus software to detect and remove any malware or viruses that could be interfering with Outlook.

4. Check your internet connection: Ensure that you have a stable internet connection and can access other websites without any issues. Contact your internet service provider if you are experiencing connectivity problems.

5. Disable antivirus software temporarily: Temporarily disable your antivirus software and try sending/receiving emails again. If the error doesn’t occur, consider adjusting the antivirus settings or using a different antivirus program.

If the error persists after following these steps, it is recommended to seek assistance from a technical expert or consult Microsoft’s support documentation for further troubleshooting. Ensure that your Outlook and operating system are up to date with the latest patches and updates to avoid any compatibility issues.

Steps to Resolve the Issue

  1. Check your internet connection: Ensure that you are connected to the internet and that your connection is stable.
  2. Verify your login credentials: Double-check that you are using the correct username and password for your Outlook account.
  3. Clear unwanted emails: Delete any unnecessary emails or move them to a different folder to free up space in your mailbox.
  4. Disable antivirus/firewall: Temporarily turn off your antivirus or firewall software to see if they are causing any conflicts with Outlook.
  5. Repair Outlook data files: Use the built-in Outlook repair tool to scan and repair any corrupted or damaged data files.
  6. Reset Outlook settings: Resetting Outlook to its default settings can sometimes resolve the error. However, note that this will remove any customizations you have made.
  7. Update Outlook: Ensure that you have the latest updates installed for Outlook 2010. Check for updates and install them if available.
  8. Recreate the Outlook profile: Create a new Outlook profile and configure it with your email account to see if the error persists.
  9. Contact your email service provider: If none of the above steps resolve the issue, reach out to your email service provider for further assistance.

Alternative Solutions

  • Check your internet connection: Ensure that you have a stable and active internet connection.
  • Verify your login credentials: Double-check that you have entered the correct username and password for your Outlook account.
  • Disable your antivirus program temporarily: Some antivirus software might interfere with Outlook’s functionality. Temporarily disable it and check if the error persists.
  • Remove and re-add the email account: Delete the problematic email account from Outlook and then add it again to refresh the settings.
  • Repair your Outlook data file: Use the built-in repair tool in Outlook to fix any issues with the data file that might be causing the error.
  • Clear the Outlook cache: Delete the cached files and folders in Outlook to resolve any potential conflicts.
  • Update Outlook and Windows: Make sure that you are using the latest version of Outlook and that your Windows operating system is up to date.
  • Contact your email provider: Reach out to your email service provider for assistance if none of the above solutions work or if the error persists.


If the issue persists, try disabling any firewall or antivirus software temporarily, as they may be blocking Outlook’s connection to the server. Additionally, make sure that your Outlook software is up to date by downloading any available updates from the Microsoft website.

If none of these steps resolve the error, it may be necessary to repair your Outlook data file. To do this, close Outlook and navigate to the location of your data file (usually in the Documents folder). Right-click on the file and select “Properties.” Then, go to the “Tools” tab and click on “Check Now” under the Error-checking section.

If you are still experiencing issues, it is recommended to seek assistance from an expert in Outlook troubleshooting. They can help identify any underlying issues, such as a computer virus or corruption in the data file, and provide a solution tailored to your specific situation.


What is error 0x800ccc90 on Comcast server?

Error 0x800ccc90 on Comcast server is likely caused by an incorrect port number for the Outgoing Server, a blocked port by the ISP, or incorrect username and password.

Why is my Outlook 2010 send receive error not implemented?

Your Outlook 2010 send receive error may be occurring because your antivirus program is interfering with the email process. Try disabling your antivirus program to resolve the issue.

How do I fix Outlook error 0x800ccc90?

To fix Outlook error 0x800ccc90, open the Outlook application and click on “Send/Receive”. Then, go to “Send/Receive groups” and select “Define Send/Receive Groups”. From there, a pop-up will appear, click on “New” and provide a name for the group under the “Send/Receive Group Name” box.

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