1392-26 Office 365

1392-26 Error Code Office 365 Overview
Difficulty LevelMedium
Resolution:DLL Issue
Cause:System Integrity Issue
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 1392-26 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Microsoft Windows Firewall

For Microsoft Windows 7 and later

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 1392-26 Office 365 img7
2) Windows Firewall Window will Open.
3) Click On “Turn Windows Firewall on or off”
Office Error Code 1392-26 Office 365 img7
Note: You will need Admin rights to disable firewall.
Office Error Code 1392-26 Office 365 img5
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

Warning: You can activate Windows Firewall after Office 365 installation is complete.

Step 2: Proxy Setting

1) Goto Control Panel.
Windows 7 : Click 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 1392-26 Office 365 img 9
2) Open “Internet Options” In Control Panel .
3) Click On Connections Tab and then Click On LAN Setting.
Office Error Code 1392-26 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its already ON.

Step 3: Disable Antivirus

– Open Your Antivrus software
– Disable it till the Office 365 installation is going on. Check manufacturer website for more details.

Step 4: Try the installation again

In most case 1392-26 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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