0-1011900 Office 365

0-1011900 Error Code Office 365 Information
Difficulty LevelHigh
Resolution:DLL Issue
Cause:System Integrity Issue
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0-1011900 Error Code in Office 365

Repair Difficulty : Medium

Step 1: Disable Windows Firewall

For Microsoft Windows 7 and later

1) Open Control Panel Window (Click Start Office Error Code 0-1011900 Office 365 img4 and press “Control Panel” Button on Right Side)
Office Error Code 0-1011900 Office 365 img5
2) Open Windows Firewall from Control Panel Window.
Office Error Code 0-1011900 Office 365 img6
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 0-1011900 Office 365 img7
Note: If you are logged in as Guest user you will be asked to enter Admin Password
Office Error Code 0-1011900 Office 365 img5
4) Click on “Turn off Windows Firewall (not recommended)” under each of the active network connections.

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

Step 2: Proxy Issue

1) Open Control Panel.
Windows 7 : Press Win Key and then Select Control Panel from Right window.
Windows 8 : Press Windows key + R and type “Control” and Press Enter.
Office Error Code 0-1011900 Office 365 img 9
2) In Search Box Type Internet and Click on “Internet Options”.
3) Select Connections Tab and then Press LAN Setting.
Office Error Code 0-1011900 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 installation is going on. Check vendor website for more details.

Step 4: Try the installation again

In most case 0-1011900 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