15-14 Office 365

15-14 Error Code Office 365 Information
Difficulty LevelVery High
Resolution:DLL Issue
Cause:File Corruption
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 15-14 Error Code in Office 365

Repair Difficulty : Medium

Step 1: Disable Firewall

For Microsoft Windows 7 and later

1) Press “Win+R” button and Type “Control” followed by Enter key.
Office Error Code 15-14 Office 365 img5
2) In Control Panel , type firewall in the search box and click on Windows Firewall.
Office Error Code 15-14 Office 365 img6
3) On left hand side you will find “Turn Windows Firewall on or off”
Office Error Code 15-14 Office 365 img7
Note: If you are logged in as Guest user you may be asked to login as Administrator.
Office Error Code 15-14 Office 365 img5
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

Step 2: Proxy Issue

1) Open Control Panel.
Windows 7 : Click Start and then Click On Control Panel from Right window.
Microsoft Windows 8 : Press Windows key + R and type “Control” and Press Enter.
Office Error Code 15-14 Office 365 img 9
2) In Search Box Type Internet and Click on “Internet Options”.
3) Click On Connections Tab and then Press LAN Setting.
Office Error Code 15-14 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its already ON.

Step 3: Run System Scan

1) Press Win + R
Office Error Code 15-14 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 15-14 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 15-14 Office 365 img18
Note: If you are logged in as Guest user you may be asked to enter Admin Password

Step 4: Try the installation again

In most case 15-14 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