How to fix Mail app sync error 0x80048830 on Windows 10

November 2022 · 5 minute read
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Error code 0x80048830 is a sync error that prevents the Windows 10 Mail app from loading messages from the server. A screenshot of the error message is shown below:

The reason behind this error is either Windows Firewall or your anti-virus software. One of these two is conflicting with the actions of the Mail app and hence preventing the sync. In this article, we look into some troubleshooting methods for resolving error code 0x80048830 on Windows 10.

How do I fix Mail app sync error 0x80048830?

1. Try a different mail app

With so many email clients available on the market, wasting time trying to fix the one you have is not worth it.

Thus, moving to a different, maybe even better alternative, is the most time-efficient solution.

That’s why we recommend you try Mailbird, you can download it on your Pc or use the web client via browser, and you’ll enjoy the sleek and responsive UI that you can customize to your every need anyway.

All of your emails can be centralized into a single window, and managing them, even in the hundreds, will never be easier.

2. Allow access to SVCHOST.EXE

  • Press the Start key, and on the search bar, type Firewall.
  • Click on Windows Firewall with Advanced Security to open it.
  • On the left pane, find Inbound rules and click on it.sync error 0x80048830
  • Now on the right panel, find and select New Rule under the Actions group.
  • On the left pane of the new window that opens, select Program.sync error 0x80048830
  • Click on This program path and in the text box below type in the following:
  • The system will likely produce a warning about svchost. Ignore the warning message, and simply click on Yes.
  • On another dialogue that opens, click on Allow the connection and proceed on to check all of the following boxes.
  • Add a name to the Inbound rule and click on Finish to complete the process. You’re not done here. Follow these steps:
  • Again, on the right panel of the Windows Firewall with Advanced Security window, find and select New Rule under the Actions group.
  • Click on Protocol and Ports and select Specific local ports.sync error 0x80048830
  • On the textbox next to Select local ports, type in the following ports:
    • 6412
    • 993
    • 56161
    • 56161
    • 56164
  • Specify which connects to allow and click on Allow the connection and proceed on to check all of the following boxes.
  • Add a name to the rule and click on OK.

    • The first and the simplest solution you need to try is to allow access to svchost.exe on Windows Firewall. Follow these steps:

    This should ideally fix the Mail app sync error 0x80048830. If it doesn’t move on to the next solution.

    3. Disable Windows Firewall and Anti-virus

  • Press the Start key, and on the search bar, type Control Panel. Click and open it.
  • Go to Control Panel >  System and Security > Windows Firewall.
  • On the left pane, find and click on Turn Windows Firewall ON or OFF.sync error 0x80048830
  • In the Customize Settings window select both Turn off Windows Firewall buttons.
  • Click OK to disable Windows Firewall.

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    In solution 2, you try and disable Windows Firewall altogether and your anti-virus program.

    Windows Firewall may sometimes prevent the Mail app’s sync process.

    If this doesn’t do the trick for you, try disabling your anti-virus program as well.  Check if this solves the problem.

    If error code 0x80048830 no longer shows up, this means the culprit is your anti-virus program and you may have to search for a more permanent resolution by turning the program off every time you want to use the Mail app may not be a practical option.

    If your antivirus software prevents the Mail app from syncing, you may also want to use an alternative solution. For more information on the best antivirus tools to use on Windows 10, check out this article.

    If none of these work for you, your last shot could be updating Windows.

    4. Update Windows

  • Click the Windows key and in the search bar type Update settings.
  • Select it from the search settings.
  • Click on Advanced Options and in the new window, select the Give me updates for other Microsoft products when I update Windows checkbox.sync error 0x80048830
  • Back in the Windows Update dialogue, click on Check for updates.sync error 0x80048830
  • This will send an update request to the Microsoft servers, and if any new updates are available, you will be notified.

    • Microsoft frequently releases small and big updates for Windows 10, and with the patches that fix errors such as the error code 0x80048830. So it is wise to make sure that updates are automatically installed.

    Hopefully one of these solutions worked for you. If not, try contacting Microsoft Support.

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