0x8004f80b Office 365

0x8004f80b Error Code Office 365 Information
Difficulty Level Medium
Resolution: System Fix
Cause: System Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0x8004f80b Error Code in Office 365

Repair Difficulty : Medium

Step 1: Disable Microsoft Windows Firewall

For Windows 7 and later

1) Click Start Button Office Error Code 0x8004f80b Office 365 Img1 and then Click on “Control Panel” icon.
Office Error Code 0x8004f80b Office 365 img5
2) In Control Panel , Open “Windows Firewall”.
Office Error Code 0x8004f80b Office 365 img6
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 0x8004f80b Office 365 img7
Warning: You will need Admin privilege to enable or disable firewall.
Office Error Code 0x8004f80b Office 365 img5
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

Step 2: Proxy Issue

1) Open Control Panel.
Windows 7 : Click On Start and then Select Control Panel from Right Pane.
Microsoft Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) In Control Panel Window Click on “Internet Options”.
3) Select Connections Tab and then Press LAN Setting.
Office Error Code 0x8004f80b Office 365 img 11
4) Turn off “Use a proxy server for your LAN” if its already ON.

Step 3: Temporarily Disable Antivirus

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

Step 4: Try the installation again

In most case 0x8004f80b 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

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