0xc000012f Office 365

0xc000012f Error Code Office 365 Information
Difficulty LevelMedium
Resolution:Manual
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0xc000012f Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Firewall

For Windows 8

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 0xc000012f Office 365 img 8
2) Microsoft Windows 8 Firewall Window will Open.
Office Error Code 0xc000012f Office 365
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 0xc000012f Office 365 img 9
Warning: You will need Admin rights to enable or disable Windows firewall.
Office Error Code 0xc000012f Office 365 img10
4) Press “Turn Off Windows Firewall” under each network
location and then Click “OK”
Office Error Code 0xc000012f Office 365 img11

Step 2: Check Proxy Setting

1) Open Control Panel.
Windows 7 : Press Win Key and then Click On Control Panel from Right Pane.
Microsoft Windows 8 : Press Windows key + R and type “Control” and Press Enter.
Office Error Code 0xc000012f Office 365 img 9
2) In Control Panel Window Click on “Internet Options”.
3) Select Connections Tab and then Choose LAN Setting.
Office Error Code 0xc000012f Office 365 img 11
4) Turn off “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 0xc000012f 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 30043-11 Office 365 – Steps
  • How to Fix Error Code 12029-4 Office 365 – Steps
  • How to Fix Error Code 8e5e03fa Office 365 – Guide
  • How to Fix Error Code 800f0900 Office 365 – Tutorial
  • How to Fix Error Code 30094-4-0 Office 365 – Tutorial
  • How to Fix Error Code 800706ba Office 365 – Tutorial
  • How to Fix Error Code 80070663 Office 365 – Guide
  • How to Fix Error Code 0x80070011 Office 365 – Guide
  • How to Fix Error Code KB3032359 Office 365 – Steps
  • How to Fix Error Code 30174-11 Office 365 – Guide
  • How to Fix Error Code 80072ee2 Office 365 – Tutorial
  • How to Fix Error Code 0x8007007e Office 365 – Tutorial
  • How to Fix Error Code 1335 Office 365 – Tutorial
  • How to Fix Error Code 0xc000000d Office 365 – Instructions
  • How to Fix Error Code 1310-0 Office 365 – Steps
  • How to Fix Error Code 2147023834-11-0 Office 365 – Instructions
  • How to Fix Error Code 30033-11 Office 365 – Instructions
  • How to Fix Error Code 8024000b Office 365 – Guide
  • How to Fix Error Code 12152-0 Office 365 – Instructions
  • How to Fix Error Code 30219-10 Office 365 – Instructions
  • How to Fix Error Code 0xc000000d Office 365 – Instructions
  • How to Fix Error Code 800706ba Office 365 – Tutorial
  • How to Fix Error Code 1610612703 Office 365 – Tutorial
  • How to Fix Error Code 80070103 Office 365 – Guide
  • How to Fix Error Code 30088-28 Office 365 – Instructions
  • How to Fix Error Code 0x20 Office 365 – Instructions
  • How to Fix Error Code 30639-17 Office 365 – Tutorial
  • How to Fix Error Code KB3032359 Office 365 – Steps
  • How to Fix Error Code 15-14-0 Office 365 – Steps
  • How to Fix Error Code 2147483634-8 Office 365 – Guide
  • Posted In: Office 365