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0x8004FC12 Office 365

0x8004FC12 Error Code Office 365 Overview
Difficulty LevelHigh
Resolution:System Fix
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0x8004FC12 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Microsoft Windows Firewall

For Microsoft Windows 8

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 0x8004FC12 Office 365 img 8
2) Windows 8 Firewall Window will Open.
Office Error Code 0x8004FC12 Office 365
3) Press “Turn Windows Firewall on or off”
Office Error Code 0x8004FC12 Office 365 img 9
Note: You will need Administrator privileges to enable or disable firewall.
Office Error Code 0x8004FC12 Office 365 img10
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”
Office Error Code 0x8004FC12 Office 365 img11

Step 2: Proxy Issue

1) Open Control Panel.
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 Window.
3) Click On Connections Tab and then Click On LAN Setting.
Office Error Code 0x8004FC12 Office 365 img 11
4) Turn off “Use a proxy server for your LAN” if its already ON.

Step 3: Disable Antivirus

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

Step 4: Try the installation again

In most case 0x8004FC12 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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  • January 1st, 1970

    Posted In: Office 365