0x0070490 Office 365

0x0070490 Error Code Office 365 Overview
Difficulty LevelCritical
Resolution:DLL Issue
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0x0070490 Error Code in Office 365

Repair Difficulty : Medium

Step 1: Disable Microsoft Windows Firewall

For Microsoft Windows 7 and later

1) Press Win+R button and Type “Control” followed by Enter key.
Office Error Code 0x0070490 Office 365 img5
2) In Control Panel Window, type firewall in the search box and click on Windows Firewall.
Office Error Code 0x0070490 Office 365 img6
3) Click On “Turn Windows Firewall on or off”
Office Error Code 0x0070490 Office 365 img7
Note: You will need Admin privilege to disable firewall.
Office Error Code 0x0070490 Office 365 img5
4) Turn Off Windows Firewall and Press “OK” Button.

Warning: Please Activate Microsoft Windows Firewall after Office 365 installation is complete.

Step 2: Reset Internet Explorer Security settings

1. Now, click on Start.

start
2. Enter the command “inetcpl.cpl” and click OK button.
3. Click on the “Security” tab.

inetcpl security
4. Click “Reset all zones to default level” button at the bottom of the window.
5. Click OK button.

Step 3: Repair System Files

1) Press Windows + R
Office Error Code 0x0070490 Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 0x0070490 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 0x0070490 Office 365 img18
Note: You will need Admin rights to run the sfc command.

Step 4: Try the installation again

In most case 0x0070490 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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