0100 Office 365

0100 Error Code Office 365 Overview
Difficulty LevelMedium
Resolution:System Fix
Cause:System Integrity Issue
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0100 Error Code in Office 365

Repair Difficulty : Medium

Step 1: Disable Windows Firewall

For Microsoft Windows 7 and later

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 0100 Office 365 img7
2) Microsoft Windows Firewall Window will Open.
3) Press “Turn Windows Firewall on or off”
Office Error Code 0100 Office 365 img7
Warning: You will need Admin privilege to enable or disable Windows firewall.
Office Error Code 0100 Office 365 img5
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

Step 2: Reset Internet Explorer Security settings

1. Now, tap on Start.

start
2. Type the command “inetcpl.cpl” and click OK button.
3. Click on the “Security” tab.

inetcpl security
4. Click “Reset all zones to default level” button at the bottom of the window.
5. Click OK again.

Step 3: Repair System Files

1) Press Win + R
Office Error Code 0100 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 0100 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 0100 Office 365 img18
Note:
Step 3:Disk Cleanup
1) Press Win + R
Office Error Code 0100 Office 365
2) Type Cleanmgr and Press Enter.
Office Error Code 0100 Office 365 img19
3) Select the OS Drive and Press OK.
4) Finally Click on “Clean up System Files”

Step 4: Try the installation again

In most case 0100 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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