FIX : Office Returns Office Couldn’t Install 30088-1021 (0)

Some users have noticed that when they try to update their existing MS Office Installation or try to install a fresh copy of MS Office they see the Office Couldn’t Install 30088-1021 (0) error. The complete error message is as shown below


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Couldn’t Install

We’re sorry, we had a problem installing yur Office program(s)

Please make sure the Office installation disk is inserted.Do you

Have enough free space on your main hard drive?

Please try installing again after you’ve checked the above.

Go online for addition help

Error Code:30088-1021 (0)

 

Culdntinstallerror

 

Potential causes for this issue are:

  • Malware prest in the system
  • Corrupt Registry Keys
  • Corrupt Installation of MS Office Application

In this article, we have listed the fixes that can help you solve the Office Couldn’t Install 30088-1021 (0) error

Fix 1: Quick Repair of MS Office Application

NOTE: Make sure you have a working network connection

Step 1: Holding the keys Windows+r together, open the Run Terminal

Step 2: In the Run window, type appwiz.cpl, and hit Enter 

 

 

2021 03 03 17h40 32

 

 

Step 3: In the Program and Features window that opens, search for Microsoft Office Suite or Microsoft 365. Right-click on it and select Change


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Change Option

 

 

Step 4:  If the UAC pops up asking for permissions, click on Yes

Step 5: Choose Online Repair and then click on Repair

 

 

Online Repair

 

 

Step 6: In the Ready to start an Online Repair Dialog, click on Repair

 

 

Confirmtion For Repair

 

 

Step 7: Restart the system and check if the error has been fixed.

Fix 2: Remove the Malware from the System and then Uninstall and Re-install the MS Office

Step 1: Open Run Dialog

Step 2: Type ms-settings:windowsdefender  and hit Enter

 

Mssettingswindowsdefender

 

 

Step 3: Click on Virus and Threat protection.

 

Windows Security Protection Areas Virus & Threat Protection

 

 

Step 4: Click on the Scan Options

 

Virus & Threat Protection Scan Options

 

 

Step 5: Select Full Scan  and then click on the Scan Now button

 

 

Full Scan Min

 

 

Step 6: Run the scan and then take the necessary steps to mitigate the malware from your system.

Step 7: Open the Run Terminal again

Step 8: In the Run dialog, type appwiz.cpl, and hit Enter 

 

 

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Step 9: In the Program and Features window that opens, locate Microsoft OfficeClick on Uninstall as shown below

 

 

Uninstall Ms Office

 

 

Step 10: Now, re-install Microsoft Office from Your Microsoft Account Page.

Fix 3: Use the Diagcab Troubleshooter

Step 1: Visit the MS Office Troubleshooter Page

Step 2: Click on the Download troubleshooter Button

 

 

Download Troubleshooter

 

 

Step 3: Now, double-click on the .diagcab file that has been downloaded.

Step 4: The Program Install and Uninstall troubleshooter window opens.


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Step 5: Click on  Advanced 

 

 

Proguninstaller Next

 

 

Step 6: Check on Apply repairs automatically and then click on Next

 

 

 

 

Program Install And Uninstall Troubleshooter Apply Repairs Automatically Check Next

 

Step 7: In the next window, you will be asked “Are you having a problem installing or uninstalling a program?” on your computer, Click on Uninstalling or Installing based on when you get the error.

Step 8:  In the Select the program you want to uninstall window, select the Microsoft Office from the list of the programs and packages, and then click on Next.

Step 9: Click on Yes, try uninstall.

Step 10: Restart the PC

Step 11: Uninstall and Re-install the MS Office application. (Refer to Steps 7-10 from Fix 2)

 

That’s All

We hope this article has been informative. Thank you for Reading

 

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