0x80070490 Office 365

0x80070490 Error Code Office 365 Overview
Difficulty LevelMedium
Resolution:Manual
Cause:Malwares/Virus
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0x80070490 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Windows Firewall

For Microsoft Windows 7 and later

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 0x80070490 Office 365 img7
2) Windows Firewall Window will Open.
3) Press “Turn Windows Firewall on or off”
Office Error Code 0x80070490 Office 365 img7
Note: You will need Admin rights to enable or disable Windows firewall.
Office Error Code 0x80070490 Office 365 img5
4) Turn Off Windows Firewall and Press “OK” Button.

Note: Please Activate Microsoft Windows Firewall after Office 365 repair is complete.

Step 2: Proxy Setting

1) Goto Control Panel.
Windows 7 : Click Start and then Click On Control Panel from Right Pane.
Microsoft Windows 8 : Press Windows key + R and type “Control” and Press Enter.
Office Error Code 0x80070490 Office 365 img 9
2) In Search Box Type Internet and Click on “Internet Options”.
3) Select Connections Tab and then Click On LAN Setting.
Office Error Code 0x80070490 Office 365 img 11
4) Turn off “Use a proxy server for your LAN” if its switched ON.

Step 3: Check System Integrity

1) Press Windows + R
Office Error Code 0x80070490 Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 0x80070490 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 0x80070490 Office 365 img18
Note: If you are logged in as Guest user you will be asked to login as Administrator.

Step 4: Try the installation again

In most case 0x80070490 error code in Office 365 should be resolved by now, if however the problem still persists please get your system checked by an expert.

If you are not able to resolve the issue following above steps, you can contact our 24×7 Chat Support for help.

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  • Posted In: Office 365