1-0 Office 365

1-0 Error Code Office 365 Information
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 1-0 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Microsoft Windows Firewall

For Windows 7 and later

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 1-0 Office 365 img7
2) Windows Firewall Window will Open.
3) On left hand side you will find “Turn Windows Firewall on or off”
Office Error Code 1-0 Office 365 img7
Warning: You will need Admin rights to enable or disable firewall.
Office Error Code 1-0 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 installation is complete.

Step 2: Temporarily turn off Proxy Settings

1) Open Control Panel.
Windows 7 : Click Start and then Select Control Panel from Right window.
Microsoft Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) In Search Box Type Internet and Click on “Internet Options”.
3) Click On Connections Tab and then Choose LAN Setting.
Office Error Code 1-0 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 1-0 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 1-0 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 1-0 Office 365 img18
Note: You will need Administrator rights to run the command.

Step 4: Try the installation again

In most case 1-0 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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