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1084-4-0 Office 365

1084-4-0 Error Code Office 365 Overview
Difficulty LevelCritical
Resolution:Manual
Cause:File Corruption
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 1084-4-0 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Windows Firewall

For Windows 8

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 1084-4-0 Office 365 img 8
2) Windows 8 Firewall Window will Open.
Office Error Code 1084-4-0 Office 365
3) Press “Turn Windows Firewall on or off”
Office Error Code 1084-4-0 Office 365 img 9
Note: You will need Administrator rights to enable or disable Windows firewall.
Office Error Code 1084-4-0 Office 365 img10
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”
Office Error Code 1084-4-0 Office 365 img11

Step 2: Check Proxy Setting

1) Goto Control Panel.
Windows 7 : Click On Start and then Select Control Panel from Right window.
Microsoft Windows 8 : Press Windows key + R and type “Control” and Press Enter.
Office Error Code 1084-4-0 Office 365 img 9
2) In Search Box Type Internet and Click on “Internet Options”.
3) Click On Connections Tab and then Choose LAN Setting.
Office Error Code 1084-4-0 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its switched ON.

Step 3: Run System Scan

1) Press Win + R
Office Error Code 1084-4-0 Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 1084-4-0 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 1084-4-0 Office 365 img18
Note: You will need Administrator rights to run the command.

Step 4: Try the installation again

In most case 1084-4-0 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