80072f78 Office 365

80072f78 Error Code Office 365 Information
Difficulty LevelMedium
Resolution:System Fix
Cause:System Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 80072f78 Error Code in Office 365

Repair Difficulty : Medium

Step 1: Disable Firewall

For Microsoft Windows 8

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 80072f78 Office 365 img 8
2) Microsoft Windows 8 Firewall Window will Open.
Office Error Code 80072f78 Office 365
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 80072f78 Office 365 img 9
Note: You will need Administrator rights to disable firewall.
Office Error Code 80072f78 Office 365 img10
4) Finally Click on “Turn off Windows Firewall (not recommended)” under each of the active network connections.
Office Error Code 80072f78 Office 365 img11

Step 2: Reset Internet Explorer Security settings

1. Now, tap on Start button.

start
2. Enter the command “inetcpl.cpl” and click OK.
3. Click on the “Security” tab.

inetcpl security
4. Click “Reset all zones to default level” button at the bottom of the window.
5. Click OK again.

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 80072f78 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