30375-81 Office 365

30375-81 Error Code Office 365 Overview
Difficulty LevelVery High
Resolution:Manual
Cause:Software Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 30375-81 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Firewall

For Microsoft Windows 8

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 30375-81 Office 365 img 8
2) Windows 8 Firewall Window will Open.
Office Error Code 30375-81 Office 365
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 30375-81 Office 365 img 9
Note: You will need Administrator privileges to disable Windows firewall.
Office Error Code 30375-81 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 30375-81 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: Run System Scan

1) Press Windows + R
Office Error Code 30375-81 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 30375-81 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 30375-81 Office 365 img18
Note: If you are logged in as Guest user you will be asked to

Step 4: Try the installation again

In most case 30375-81 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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