15-14-0 Office 365

15-14-0 Error Code Office 365 Information
Difficulty LevelHigh
Resolution:System Fix
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 15-14-0 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Firewall

For Windows 8

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 15-14-0 Office 365 img 8
2) Microsoft Windows 8 Firewall Window will Open.
Office Error Code 15-14-0 Office 365
3) On left pane you will find “Turn Windows Firewall on or off”
Office Error Code 15-14-0 Office 365 img 9
Warning: You will need Admin privileges to disable firewall.
Office Error Code 15-14-0 Office 365 img10
4) Click on “Turn off Windows Firewall (not recommended)” under each of the active network connections.
Office Error Code 15-14-0 Office 365 img11

Step 2: Check Proxy Setting

1) Open Control Panel.
Microsoft Windows 7 : Press Win Key and then Select Control Panel from Right Pane.
Microsoft Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) Open “Internet Options” In Control Panel Window.
3) Select Connections Tab and then Choose LAN Setting.
Office Error Code 15-14-0 Office 365 img 11
4) Turn off “Use a proxy server for your LAN” if its already ON.

Step 3: Repair System Files

1) Press Win + R
Office Error Code 15-14-0 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 15-14-0 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 15-14-0 Office 365 img18
Note: You will need Admin previlage to run the sfc command.

Step 4: Try the installation again

In most case 15-14-0 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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  • Posted In: Office 365