004ec1c Office 365

004ec1c Error Code Office 365 Overview
Difficulty LevelMedium
Resolution:System Fix
Cause:File Corruption
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 004ec1c Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Microsoft Windows Firewall

For Microsoft Windows 7 and later

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 004ec1c Office 365 img7
2) Windows Firewall Window will Open.
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 004ec1c Office 365 img7
Warning: If you are logged in as Guest user you will be asked to
Office Error Code 004ec1c Office 365 img5
4) Finally Click on “Turn off Windows Firewall (not recommended)” under each of the active network connections.

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

Step 2: Proxy Setting

1) Open Control Panel.
Microsoft Windows 7 : Press Win Key and then Select Control Panel from Right Pane.
Windows 8 : Press Windows key + R and type “Control” and Press Enter.
Office Error Code 004ec1c Office 365 img 9
2) Open “Internet Options” In Control Panel .
3) Select Connections Tab and then Click On LAN Setting.
Office Error Code 004ec1c 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 004ec1c Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 004ec1c Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 004ec1c Office 365 img18
Note: If you are logged in as Normal user you will be asked to login as Administrator.

Step 4: Try the installation again

In most case 004ec1c 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

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