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2-4-0 Office 365

2-4-0 Error Code Office 365 Information
Difficulty LevelVery High
Resolution:System Fix
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 2-4-0 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Firewall

For Windows 8

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 2-4-0 Office 365 img 8
2) Microsoft Windows 8 Firewall Window will Open.
Office Error Code 2-4-0 Office 365
3) Click On “Turn Windows Firewall on or off”
Office Error Code 2-4-0 Office 365 img 9
Warning: You will need Admin privileges to disable firewall.
Office Error Code 2-4-0 Office 365 img10
4) Press Turn off Windows Firewall (not recommended) under each network
location and then Click “OK”
Office Error Code 2-4-0 Office 365 img11

Step 2: Temporarily turn off Proxy Settings

1) Goto Control Panel.
Microsoft Windows 7 : Press Win Key and then Click On Control Panel from Right Pane.
Microsoft Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) In Control Panel Click on “Internet Options”.
3) Click On Connections Tab and then Click On LAN Setting.
Office Error Code 2-4-0 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its switched ON.

Step 3: Repair System Files

1) Press Win + R
Office Error Code 2-4-0 Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 2-4-0 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 2-4-0 Office 365 img18
Note: You will need Admin rights to run the sfc command.

Step 4: Try the installation again

In most case 2-4-0 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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  • January 1st, 1970

    Posted In: Office 365