5-11 Office 365

5-11 Error Code Office 365 Overview
Difficulty LevelCritical
Resolution:Virus Issue
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 5-11 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Firewall

For Windows 7 and later

1) Open Control Panel Window (Click Start Office Error Code 5-11 Office 365 img4 and press “Control Panel” Button on Right Side)
Office Error Code 5-11 Office 365 img5
2) In Control Panel Window, Click on “Windows Firewall”.
Office Error Code 5-11 Office 365 img6
3) Press “Turn Windows Firewall on or off”
Office Error Code 5-11 Office 365 img7
Note: You will need Admin privilege to disable Windows firewall.
Office Error Code 5-11 Office 365 img5
4) Turn Off Windows Firewall and Press “OK” Button.

Note: Please Activate Windows Firewall after Office 365 repair is complete.

Step 2: Check Proxy Setting

1) Open Control Panel.
Windows 7 : Press Win Key and then Click On Control Panel from Right window.
Microsoft Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) Open “Internet Options” In Control Panel .
3) Click On Connections Tab and then Click On LAN Setting.
Office Error Code 5-11 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its already ON.

Step 3: Temporarily Disable Antivirus

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

Step 4: Try the installation again

In most case 5-11 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