Error code 30145-4 when installing Office

When trying to install Office, you might get this error. Here are some things you can try to fix the problem. We’ve listed the most common solutions first, so try them in order.

Error code 30145-4 when installing Office

1 - Restart your device and try installing Office again


2 - Repair your Office app

  1. Go to Control Panel.

    • In Windows 8, on the Start screen, type Control Panel, and select Control Panel in the search results.

    • In Windows 7 or Windows Vista, choose Start > Control Panel.

  2. Choose Programs > Programs and Features.

  3. Choose the latest version of Office, and then choose Change.

  4. Choose Online Repair, and then choose Repair.

3 - Remove and reinstall Office

  1. Click this Fix it.

    FixIt button indicating that an automated fix is available

  2. When prompted by your browser, choose Open.

    Note   If the file doesn’t open, choose Save > Open Folder, then double-click the file (it should start with "O15CTRRemove") to run the Fix it tool.

  3. After the Fix it tool is done, install Office again.

    • If you’re a home user, sign in to your My Account page, and choose Install.

    • If you’re a business user, sign in to the Office 365 portal and choose Install.

4 - Remove Office manually

Applies To: , Office 365 End User

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