Work your way through the instructions below to fix “Error code: 0x80070490” in Windows Update or the Mail app. If the error occurs in both, apply the fixes in the order they appear.

Fix Error Code 0x80070490 in Windows Update

Fix Error Code 0x80070490 in Windows Update

Fix Error Code 0x80070490 in Windows Update

“Error code: 0x80070490” in Windows Update is often the result of conflicts with antimalware programs, a broken Windows Update cache, or corruption in the operating system. The following fixes should resolve the Windows Update error.

Run Windows Update Troubleshooter

Run Windows Update Troubleshooter

Run Windows Update Troubleshooter

Microsoft knows that Windows Update is prone to numerous issues, which is why Windows 10/11 includes a built-in troubleshooter to help deal with them.

Restart Your Computer

Restart Your Computer

Restart Your Computer

If the Windows Update troubleshooter failed to resolve “Error code: 0x80070490”, try restarting your computer – a simple action that usually takes care of most system-related anomalies. Once you’re back on the desktop, run Windows Update and see if the error recurs.

Pause Antivirus Utility Temporarily

Pause Antivirus Utility Temporarily

Pause Antivirus Utility Temporarily

Third-party antivirus software often creates conflicts with Windows Update. If you have one installed on your computer, try disabling its live shields temporarily and check if that makes a difference. You can usually pause an antivirus utility via its system tray icon. If not, check its configuration pane; you may want to refer to its online documentation for specific instructions.

Configure Windows Update Services

Configure Windows Update Services

Configure Windows Update Services

You must confirm that each system service related to Windows Update runs correctly.

Delete Windows Update Folder

Delete Windows Update Folder

Delete Windows Update Folder

A corrupt Windows Update cache is another reason that results in “Error code 0x80070490.” Try deleting the folder that stores the cached files. The procedure involves running a series of commands using an elevated Command Prompt console.

Run SFC and DISM Scan

Run SFC and DISM Scan

Run SFC and DISM Scan

You may also want to run an SFC or a DISM scan. Both command-line tools can fix Windows errors by repairing missing or corrupt system files.

Update Windows Using Other Means

Update Windows Using Other Means

Update Windows Using Other Means

Updating Windows is another way to fix known issues Windows Update. However, since you can’t update the operating system normally, the alternative is downloading and installing the update files manually via the Microsoft Update Catalog.

Fix Error Code 0x80070490 in Mail App

Fix Error Code 0x80070490 in Mail App

Fix Error Code 0x80070490 in Mail App

“Error code: 0x80070490” in the Windows 10/11 Mail app mostly shows up while adding a new email account (e.g., Gmail or Outlook). The following suggestions and fixes will resolve the Mail error.

Run Windows Store Apps Troubleshooter

Run Windows Store Apps Troubleshooter

Run Windows Store Apps Troubleshooter

Windows 10/11 provides access to a built-in troubleshooter designed to address issues with Microsoft Store apps (including Mail). Under Other troubleshooters or Additional troubleshooters, select Run next to Windows Store Apps (Windows 11) or Windows Store Apps > Run the troubleshooter (Windows 10) to open it.

Update Mail App

Update Mail App

Update Mail App

The following fix involves updating the Mail app. That should address any known issues behind “Error code: 0x80070490.”

Update Windows 10/11

Update Windows 10/11

Update Windows 10/11

If you aren’t running into the same error with Windows Update (if you are, use the above workaround), try applying any pending operating system updates next.

Check Email Privacy Settings

Check Email Privacy Settings

Check Email Privacy Settings

Incorrectly configured email privacy settings can also result in the 0x80070490 Mail app error. Confirm if everything is set up correctly.

Set Up Account in Calendar App

Set Up Account in Calendar App

Set Up Account in Calendar App

Another way to fix “Error code: 0x80070490” is by setting up your email account in the Calendar app first.

Repair Mail and Calendar

Repair Mail and Calendar

Repair Mail and Calendar

You can also try repairing Mail and Calendar in Windows. That should rule out issues caused by a corrupt app installation.

Reinstall Mail and Calendar

Reinstall Mail and Calendar

Reinstall Mail and Calendar

Finally, reinstall both the Mail and Calendar apps in Windows. A fresh installation just might make “Error 0x80070490” disappear.