30203-11 Office 365

30203-11 Error Code Office 365 Overview
Difficulty LevelCritical
Resolution:Manual
Cause:Malwares/Virus
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 30203-11 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Firewall

For Microsoft Windows 7 and later

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 30203-11 Office 365 img7
2) Microsoft Windows Firewall Window will Open.
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 30203-11 Office 365 img7
Warning: You will need Administrator rights to disable Windows firewall.
Office Error Code 30203-11 Office 365 img5
4) Click Turn off Windows Firewall (not recommended) under each network location and then Click “OK”

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

Step 2: Reset Internet Explorer Security settings

1. Now, tap on Start.

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: Check System Integrity

1) Press Win + R
Office Error Code 30203-11 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 30203-11 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 30203-11 Office 365 img18
Note:
Step 3:Disk Cleanup
1) Press Windows + R
Office Error Code 30203-11 Office 365
2) Type “Cleanmgr” and Press Enter.
Office Error Code 30203-11 Office 365 img19
3) Select the OS Partition and Press OK.
4) Click on “Clean up System Files”

Step 4: Try the installation again

In most case 30203-11 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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    30203-11- Office 365

    30203-11- Error Code Office 365 Overview
    Difficulty LevelHigh
    Resolution:DLL Issue
    Cause:System Integrity Issue
    Affected Operating Systems
    • Windows 8/8.1
    • Windows 7
    • Windows 10
    • Windows Vista

    How To Fix 30203-11- Error Code in Office 365

    Repair Difficulty : Medium

    Step 1: Disable Microsoft Windows Firewall

    For Microsoft Windows 7 and later

    1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
    Office Error Code 30203-11- Office 365 img7
    2) Windows Firewall Window will Open.
    3) Click On “Turn Windows Firewall on or off”
    Office Error Code 30203-11- Office 365 img7
    Warning: If you are logged in as Normal user you will be asked to login as Administrator.
    Office Error Code 30203-11- Office 365 img5
    4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

    Step 2: Check Proxy Setting

    1) Goto Control Panel.
    Windows 7 : Click On Start and then Select Control Panel from Right window.
    Microsoft Windows 8 : Press Windows key + R and type “Control” and Press Enter.
    Office Error Code 30203-11- Office 365 img 9
    2) In Control Panel Click on “Internet Options”.
    3) Click On Connections Tab and then Click On LAN Setting.
    Office Error Code 30203-11- 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
    – Disable it till the Office 365 installation is going on. Check antivirus manufacturer website for more details.

    Step 4: Try the installation again

    In most case 30203-11- 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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