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

  • Bookmark this article so you can easily return to it.

  • Restart your device and sign back in.

    • 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.

2 - Repair your Office app

  1. Go to Control Panel.

    In Windows 10
    • Right-click the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and choose Control Panel.

      Options and commands list see after pressing Windows logo key + X

    In Windows 8 and 8.1
    • Right-click the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and choose Control Panel.

      Options and commands list see after pressing Windows logo key + X

    In Windows 7 or Vista
    • Click Start > Control Panel.

  2. Under Programs, click Uninstall a program.

  3. Click the Office product you want to repair, and then click Change.

    Note   If you bought a suite like Microsoft Office 365 Home or Microsoft Office Home and Student 2013, search for the suite name. If you bought an individual Office application like Microsoft Word, search for the application name.

  4. In Office 2013 and Office 2016, click Online Repair > Repair.

3 - Remove and reinstall Office

If you have problems running the easy fix tool, please try using Internet Explorer as your browser.

  1. Click this easy fix tool button to completely clean up your Office installation.

    Easy fix download button indicating 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 easy fix tool.

  3. The Uninstall Microsoft Office wizard launches. Select Apply this fix, and follow through the rest of the screens.

  4. At the easy fix tool has completed, you'll get an Uninstallation successful screen, and then be prompted to restart your computer for the changes to take effect. Select Next.

  5. After restarting, install Office again. Use the table below to find the correct sign in location for your version of Office.

    If you have this Office product

    Sign in to install Office

    An Office 365 subscription, such as:

    • Office 365 Home

    • Office 365 Personal

    • Office 365 University

    A one-time purchase of Office 2016 or Office 2013 such as:

    • Office Home & Student

    • Office Home & Business

    • Office Professional

    • Individual 2016 or 2013 applications such as Word, Excel, or Project

    1. Go to http://www.office.com/myaccount.

      If prompted, sign in with the email address and password associated with your copy of Office.

    2. Select Install.

    Tip   For complete installation steps, see Download and install or reinstall Office 365, Office 2016, or Office 2013 on your PC.

    Office 365 for business subscriptions that include the desktop Office applications

    1. Go to https://portal.office.com/OLS/MySoftware.aspx.

      If prompted, sign in with the email address and password that you created or someone in your organization created on your behalf.

    2. Select Install.

    Tip   For complete installation steps, see Download and install Office using Office 365 for business on your PC.

    Note   If you're having trouble signing in, check that you're using the correct email and password. If you still can't sign in you may be using a different Office 365 service and have a different sign in location, see Where to sign in to Office 365.

4 - Remove Office manually

  • If the easy fix tool from the previous step doesn't completely uninstall Office from your device, try removing Office manually.

Applies To: Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Office 2016, Office 365,



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