0x800800005-0 Office 365

0x800800005-0 Error Code Office 365 Overview
Difficulty LevelCritical
Resolution:Manual
Cause:System Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0x800800005-0 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Windows Firewall

For Windows 7 and later

1) Click Start Button Office Error Code 0x800800005-0 Office 365 and type “Control Panel” in search box Office Error Code 0x800800005-0 Office 365 img2 and Click on it.
Office Error Code 0x800800005-0 Office 365 img5
2) In Control Panel Window, Open “Windows Firewall”.
Office Error Code 0x800800005-0 Office 365 img6
3) Press “Turn Windows Firewall on or off”
Office Error Code 0x800800005-0 Office 365 img7
Note: If you are logged in as Guest user you may be asked to enter Admin Password
Office Error Code 0x800800005-0 Office 365 img5
4) Turn Off Windows Firewall and Press “OK” Button.

Warning: Please Activate Microsoft Windows Firewall after Office 365 repair is complete.

Step 2: Proxy Setting

1) Open Control Panel.
Windows 7 : Click Start and then Click On Control Panel from Right Pane.
Windows 8 : Press Windows key + R and type “Control” and Press Enter.
Office Error Code 0x800800005-0 Office 365 img 9
2) Open “Internet Options” In Control Panel .
3) Select Connections Tab and then Press LAN Setting.
Office Error Code 0x800800005-0 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 antivirus vendor website for more details.

Step 4: Try the installation again

In most case 0x800800005-0 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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  • Posted In: Office 365