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30088-1021-0 Office 365

30088-1021-0 Error Code Office 365 Information
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 30088-1021-0 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Microsoft Windows Firewall

For Windows 8

1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 30088-1021-0 Office 365 img 8
2) Microsoft Windows 8 Firewall Window will Open.
Office Error Code 30088-1021-0 Office 365
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 30088-1021-0 Office 365 img 9
Note: If you are logged in as Guest user you will be asked to login as Administrator.
Office Error Code 30088-1021-0 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 30088-1021-0 Office 365 img11

Step 2: Proxy Issue

1) Open Control Panel.
Windows 7 : Click On Start and then Select Control Panel from Right Pane.
Microsoft Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) In Search Box Type Internet and Click on “Internet Options”.
3) Select Connections Tab and then Press LAN Setting.
Office Error Code 30088-1021-0 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its switched ON.

Step 3: Disable Antivirus

– Open Your Antivrus
– 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 30088-1021-0 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

    30088-1021 (0) Office 365

    30088-1021 (0) Error Code Office 365 Overview
    Difficulty LevelHigh
    Resolution:DLL Issue
    Cause:System Level Conflict
    Affected Operating Systems
    • Windows 8/8.1
    • Windows 7
    • Windows 10
    • Windows Vista

    How To Fix 30088-1021 (0) Error Code in Office 365

    Repair Difficulty : Medium

    Step 1: Disable Windows Firewall

    For Microsoft Windows 7 and later

    1) Open Control Panel Window (Click Start Office Error Code 30088-1021 (0) Office 365 img4 and press “Control Panel” Button on Right Side)
    Office Error Code 30088-1021 (0) Office 365 img5
    2) In Control Panel Window, type firewall in the search box and click on Windows Firewall.
    Office Error Code 30088-1021 (0) Office 365 img6
    3) On left hand side you will find “Turn Windows Firewall on or off”
    Office Error Code 30088-1021 (0) Office 365 img7
    Warning: If you are logged in as Normal user you may be asked to enter Admin Password
    Office Error Code 30088-1021 (0) Office 365 img5
    4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

    Step 2: Reset Internet Explorer Security settings

    1. Now, tap on Start.

    start
    2. Type 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 Windows + R
    Office Error Code 30088-1021 (0) Office 365 img14
    2) Type “cmd” and Press Enter.
    Office Error Code 30088-1021 (0) Office 365
    3) Type “sfc /scannow” and press enter.
    Office Error Code 30088-1021 (0) Office 365 img18
    Note: You will need Administrator previlage to run the command.

    Step 4: Try the installation again

    In most case 30088-1021 (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