1406 Office 365

1406 Error Code Office 365 Information
Difficulty LevelMedium
Resolution:Manual
Cause:Malwares/Virus
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 1406 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Windows Firewall

For Windows 7 and later

1) Press “Win+R” button and Type “Control” followed by Enter key.
Office Error Code 1406 Office 365 img5
2) Open Windows Firewall from Control Panel Window.
Office Error Code 1406 Office 365 img6
3) Press “Turn Windows Firewall on or off”
Office Error Code 1406 Office 365 img7
Warning: You will need Admin privilege to disable firewall.
Office Error Code 1406 Office 365 img5
4) Press Turn off Windows Firewall (not recommended) under each network location and then Click “OK”

Note: You can activate Microsoft Windows Firewall after Office 365 installation is complete.

Step 2: Reset Internet Explorer Security settings

1. Now, click on Start button.

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 again.

Step 3: Temporarily Disable Antivirus

– Open Your Antivrus software
– Disable it till the Office 365 installation is going on. Check antivirus manufacturer website for more details.

Step 4: Try the installation again

In most case 1406 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