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30126-4-0 Office 365

30126-4-0 Error Code Office 365 Overview
Difficulty LevelHigh
Resolution:Virus Issue
Cause:Software Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 30126-4-0 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Microsoft Windows Firewall

For Windows 8
1) Press Win key + Q. A search box will show up on right hand side.
Office Error Code 30126-4-0 Office 365 step 6
2) In Control Panel Window, Open “Windows Firewall”.
Office Error Code 30126-4-0 Office 365 step 7
Office Error Code 30126-4-0 Office 365
3) On left pane you will find “Turn Windows Firewall on or off”
Office Error Code 30126-4-0 Office 365 img 9
Warning: If you are logged in as Normal user you may be asked to
Office Error Code 30126-4-0 Office 365 img10
4) Press “Turn off Windows Firewall (not recommended)” under each network
location and then Click “OK”
Office Error Code 30126-4-0 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 button.
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: 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 30126-4-0 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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  • January 1st, 1970

    Posted In: Office 365