12002-1 Office 365

12002-1 Error Code Office 365 Overview
Difficulty LevelVery High
Resolution:Virus Issue
Cause:File Corruption
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 12002-1 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Firewall

For Microsoft Windows 7 and later

1) Open Control Panel Window (Click Start Office Error Code 12002-1 Office 365 img4 and press “Control Panel” Button on Right Side)
Office Error Code 12002-1 Office 365 img5
2) In Control Panel , type firewall in the search box and click on Windows Firewall.
Office Error Code 12002-1 Office 365 img6
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 12002-1 Office 365 img7
Note: You will need Admin rights to disable firewall.
Office Error Code 12002-1 Office 365 img5
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

Step 2: Check Proxy Setting

1) Goto Control Panel.
Microsoft Windows 7 : Click Start and then Select Control Panel from Right window.
Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) Click On “Internet Options” In Control Panel .
3) Click On Connections Tab and then Press LAN Setting.
Office Error Code 12002-1 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its switched ON.

Step 3: Temporarily Disable Antivirus

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

Step 4: Try the installation again

In most case 12002-1 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 80040600 Office 365 – Instructions
  • How to Fix Error Code C2FE0100 Office 365 – Steps
  • How to Fix Error Code 0xc000012f Office 365 – Steps
  • How to Fix Error Code 0x80244019 Office 365 – Tutorial
  • How to Fix Error Code 0x8007007e Office 365 – Tutorial
  • How to Fix Error Code 8024402f Office 365 – Guide
  • How to Fix Error Code 30351-32 Office 365 – Guide
  • How to Fix Error Code 30180-4-0 Office 365 – Tutorial
  • How to Fix Error Code C000000D Office 365 – Tutorial
  • How to Fix Error Code 12152-4-0 Office 365 – Steps
  • How to Fix Error Code 1053-4 Office 365 – Instructions
  • How to Fix Error Code 32-4  Office 365 – Instructions
  • How to Fix Error Code 0x80070643 Office 365 – Guide
  • How to Fix Error Code 312007-4 Office 365 – Tutorial
  • How to Fix Error Code 30045-11 Office 365 – Tutorial
  • How to Fix Error Code 16030×643 Office 365 – Instructions
  • How to Fix Error Code 12152 Office 365 – Guide
  • How to Fix Error Code 010eb9a9 Office 365 – Tutorial
  • How to Fix Error Code 0-1028-0 Office 365 – Guide
  • How to Fix Error Code 0x800f0902 Office 365 – Guide
  • How to Fix Error Code 30015-1011-5 Office 365 – Instructions
  • How to Fix Error Code 633 Office 365 – Tutorial
  • How to Fix Error Code 800f0900 Office 365 – Tutorial
  • How to Fix Error Code KB2986257 Office 365 – Steps
  • How to Fix Error Code 0x800CCC13 Office 365 – Tutorial
  • How to Fix Error Code 0x8000222 Office 365 – Steps
  • How to Fix Error Code 30088-11 Office 365 – Steps
  • How to Fix Error Code KB3063917 Office 365 – Steps
  • How to Fix Error Code 1-0 Office 365 – Guide
  • How to Fix Error Code 30183-39 (-214701) Office 365 – Instructions
  • Posted In: Office 365