LiveZilla Live Chat Software

800b0100 Office 365

800b0100 Error Code Office 365 Overview
Difficulty LevelVery High
Resolution:System Fix
Cause:Software Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 800b0100 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Microsoft Windows Firewall

For Windows 7 and later

1) Press Win+R button and Type “Control” followed by Enter key.
Office Error Code 800b0100 Office 365 img5
2) In Control Panel , Open Windows Firewall.
Office Error Code 800b0100 Office 365 img6
3) On left hand side you will find “Turn Windows Firewall on or off”
Office Error Code 800b0100 Office 365 img7
Note: If you are logged in as Guest user you may be asked to enter Admin Password
Office Error Code 800b0100 Office 365 img5
4) Turn Off Windows Firewall and Press “OK” Button.

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

Step 2: Reset Internet Explorer Security settings

1. Now, tap on Start button.

start
2. Enter 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: Disable Antivirus

– Open Your Antivrus
– 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 800b0100 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.

office Error code support

  • How to Fix Error Code 30088-1028 (0) Office 365 – Instructions
  • How to Fix Error Code 30102-11-0 Office 365 – Steps
  • How to Fix Error Code 0x80040119 Office 365 – Guide
  • How to Fix Error Code 30024 Office 365 – Instructions
  • How to Fix Error Code 80080005 Office 365 – Instructions
  • How to Fix Error Code 800f0092 Office 365 – Instructions
  • How to Fix Error Code 80070641 Office 365 – Tutorial
  • How to Fix Error Code 8009033f Office 365 – Tutorial
  • How to Fix Error Code 0xE4010656 Office 365 – Steps
  • How to Fix Error Code 91 Office 365 – Guide
  • How to Fix Error Code KB3063917 Office 365 – Steps
  • How to Fix Error Code 30101-11 Office 365 – Tutorial
  • How to Fix Error Code 30183-39-20 (-2147014790) Office 365 – Steps
  • How to Fix Error Code 30126-1011(12152) Office 365 – Guide
  • How to Fix Error Code 5-4 Office 365 – Guide
  • How to Fix Error Code 408-4 Office 365 – Instructions
  • How to Fix Error Code 0xc004b011-1 Office 365 – Steps
  • How to Fix Error Code 004ec1c Office 365 – Instructions
  • How to Fix Error Code 30038-4-0 Office 365 – Steps
  • How to Fix Error Code 0x8004f80b Office 365 – Steps
  • How to Fix Error Code 214748363-8 Office 365 – Instructions
  • How to Fix Error Code 771 Office 365 – Guide
  • How to Fix Error Code 30013-39 Office 365 – Tutorial
  • How to Fix Error Code 0x800f0922 Office 365 – Steps
  • How to Fix Error Code 30203-11- Office 365 – Steps
  • How to Fix Error Code 30223-45 Office 365 – Instructions
  • How to Fix Error Code 0x80072ee2 Office 365 – Guide
  • How to Fix Error Code 12007-4-0 Office 365 – Instructions
  • How to Fix Error Code 80070-9 Office 365 – Instructions
  • How to Fix Error Code 80072ee2 Office 365 – Tutorial
  • January 1st, 1970

    Posted In: Office 365