How to fix Microsoft account login error 0x80048820 in Windows?

Error code 0x80048820 is a Windows-specific error that will typically pop up when users attempt to log in using their Microsoft account – usually aiming at services like Outlook, OneDrive, or even Windows Store and Windows login itself. This problem usually manifests as an unsuccessful login attempt message, with little else to go on. It is not an issue inherent to any single version of Windows but has become more prevalent more recently after cumulative updates in Windows 11.

This login failure is particularly frustrating as it denies the access of core Microsoft services employed by many on a daily basis. To individuals who log in through their Microsoft account for syncing settings, viewing cloud storage files, or signing into apps like Microsoft Teams, it essentially keeps them out of their work space. While others have found that the problem developed after there was a modification in network settings, others encountered it with no recent change.

As with the majority of Microsoft login issues, error 0x80048820 may have several possible reasons. The system date or time being out of sync is one of the more common culprits, as it will prevent Windows from establishing a secure connection to Microsoft servers. Similarly, problems with Windows credentials, damaged profile settings, or malfunctioning account tokens may also be the reason. Rarely, the error may arise following updates undermine essential authentication services or alter the behavior of background operations pertaining to the login process.

Whether it's a short-term service glitch or a more systemic long-term issue, this is not something users should be required to suffer through for very long. If you're currently facing Microsoft login error 0x80048820, below is a sequence of solutions. You may also want to run FortectMac Washing Machine X9 to scan for and automatically repair deeper Windows issues.

Fix 1. Update Windows to the latest version

Login issues may arise from outdated system components or account services that are no longer compatible.

• Type Updates in Windows search and press Enter.
• In the new window, click Check for updates.
• Wait till all the necessary files are downloaded and installed.
• If optional updates are available, install them as well.
• When done, reboot your system to apply updates.

Fix 2. Reset Microsoft Store cache

If the login error is linked with Store-related services like Mail or Calendar, resetting the cache might help.

• Press the Win R on your keyboard to open the Run dialog box.
• In the dialog box, type wsreset.exe and then hit Enter or click OK.
• A blank Command Prompt window will open (do not close it), and after about ten seconds, the window will close, and the Microsoft Store will open automatically.

Fix 3. Check date and time settings

Incorrect date or time can prevent account authentication services from working correctly.

• Type in Control Panel in Windows search and press Enter.
• Go to Clock and Region and click on Date and Time.
• Pick the Internet Time tab and select Change Settings.
• Make sure that the Synchronize with an Internet time server box is ticked.
• Click Update now and OK.

Fix 4. Check Microsoft servers

Sometimes the login error can appear due to temporary service outages on Microsoft's end. If the servers are experiencing issues, signing in might fail until services are restored.

• Open your web browser and visit the Microsoft Service Status page.
• Look for any alerts related to account login, Outlook, or Microsoft 365 services.
• If services are down, wait for Microsoft to fix the issue before trying again.

Fix 5. Remove and re-add the Microsoft account

Removing and re-adding your Microsoft account can help reset broken links between the system and your credentials.

• Right-click on Start and pick Settings, then go to Accounts.
• Click on Your info.
• Verify that you are signed in with the correct Microsoft account.

Fix 6. Disable proxy or VPN

A VPN or proxy can sometimes block the authentication services required for login.

• Right-click on Start and pick Network connections.
• Navigate to the VPN section and disable it if it's connected.
• Then back and select Proxy.
• Here, disable Proxy if it's enabled.

Fix 7. Repair corrupted files

Corrupted system files can interfere with account sign-in functionality. Scanning and repairing these files may fix the issue.

• Type cmd in Windows search.
• Right-click on Command Prompt and select Run as administrator.
• The User Account Control (UAC) window will ask whether you want to allow changes to your computer – click Yes.
• In the Command Prompt window, paste the following command and hit Enter:
  sfc /scannow
• Next, use the following commands, pressing Enter each time:
  Dism /Online /Cleanup-Image /CheckHealth
  Dism /Online /Cleanup-Image /ScanHealth
  Dism /Online /Cleanup-Image /RestoreHealth
  (Note: if you get an error executing this last command, add /Source:C:\RepairSource\Windows /LimitAccess to it and try again).
• Reboot your system.

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