How to fix
Microsoft Office error 30045-13
on Windows

I was trying to install Microsoft Office on my Windows laptop, but I received an error 30045-13. Any tips on how to fix this would be appreciated.

Microsoft Office stands as one of the most extensively used suites of productivity applications in the world. It offers tools for word processing, data analysis, email management, and much more, proving to be an invaluable asset for individuals and businesses alike. Its utility spans across various industries, facilitating day-to-day operations and streamlining workflow processes.

Just like any other software, it comes with some issues. On occasion, you may encounter Microsoft Office error 30045-13 when trying to install or update the suite. The error can interrupt the installation or update process, hindering your access to the latest features and security updates that are crucial for maintaining an efficient and secure working environment.

The emergence of the Microsoft Office 30045-13 error is often indicative of a discrepancy in the system requirements, interruptions due to pre-existing versions of the software, or conflicts with security settings or other programs.

Moreover, this error can also be a sign of corrupt download files or an unstable network connection during installation. As such, ensuring that your system is fully compatible with the Office version you are attempting to install or update is essential. Additionally, verify that you have a stable internet connection and that your security settings do not unjustly block the Office installation.

To fix Microsoft Office error 30045-13, you should examine the integrity of the installation files and your system's compatibility with the Office suite. You should also consider the health of your device's operating system as it plays a significant role in the successful installation and functioning of software applications.

If you would rather take a more hands-off approach, the use of a PC repair tool, such as [d1], could be beneficial. This software is designed to automatically detect and resolve underlying Windows issues that may be contributing to the error, offering a simplified approach to system maintenance.

Fix 1. Temporarily disable Firewall

Windows Firewall can occasionally prevent Microsoft Office from installing or updating correctly by blocking necessary data transfers. Temporarily disabling it may resolve error 30045-13. Before proceeding, ensure that you are connected to a secure network to minimize risks.

• Type Control Panel into the search box on the taskbar and select the matching result.
• Navigate to System and Security.
• Choose Windows Defender Firewall.
• Select Turn Windows Defender Firewall on or off on the left-hand panel.
• Choose the option to Turn off Windows Defender Firewall under both private and public network settings.
• Press OK to apply the changes. Don't forget to turn the Firewall back on later.

Fix 2. Temporarily disable third-party security software

Third-party security software can interfere with the installation or update of Microsoft Office by mistakenly classifying it as a threat. Temporarily disabling this software can help identify if it is the cause of the error.

• Locate the security software icon on your system tray or taskbar.
• Right-click the icon to reveal the menu.
• Look for an option that says Disable, Stop, Shut down, or something similar.
• If prompted, select the time frame for which you want the security software disabled.
• Remember to re-enable the software once you have completed the Office installation or update.

Fix 3. Run network troubleshooter

Network issues can cause Office installation errors. Windows has a built-in troubleshooter that can detect and potentially fix network problems.

• Right-click on Start and pick Settings.
• Go to Network & Internet section.
• On the right side, find the Advanced network settings section.
• Click Network troubleshooter, specify the problem, and wait till the scan is finished.
• When done, apply all the recommendations.

Fix 4. Repair Microsoft Office

Microsoft Office includes a repair feature that can resolve issues without requiring a complete reinstallation.

• Type Control Panel in Windows search and press Enter.
• Select Programs > Programs and Features.
• Select Microsoft Office and click on Change.
• Choose the option for Online Repair and click Repair.
• Follow the prompts to finish the process.

Fix 5. Perform SFC and DISM scans

System File Checker and Deployment Image Servicing and Management are utilities that scan and fix Windows system files and image issues, which can indirectly affect Office installation.

• Type in cmd in Windows search.
• Right-click on Command Prompt and select Run as administrator.
• User Account Control will ask whether you want to allow changes -  click Yes.
• In the Command Prompt window, paste the following command and hit Enter:
  sfc /scannow
• Next, use the following commands, pressing Enter each time:
  Dism /Online /Cleanup-Image /CheckHealth
  Dism /Online /Cleanup-Image /ScanHealth
  Dism /Online /Cleanup-Image /RestoreHealth
  (Note: if you get an error executing this last command, add /Source:C:\RepairSource\Windows /LimitAccess to it and try again).
• Reboot your system.

Fix 6. Reinstall MS Office

If all else fails, uninstalling and then reinstalling Microsoft Office can resolve persistent errors.

• Right-click on Start and pick Apps and Features.
• Scroll down to find the MS Office installation.
• Click Uninstall and confirm with Uninstall.
• Follow on-screen instructions to remove the app completely.
• Press Win + E to open File Explorer.
• Navigate to the following location and delete its contents:
  C:\Program Files\Microsoft Office
• Next, type regedit in Windows search and press Enter.
• Go to the following locations in the Registry Editor and delete these items:
  Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppVISV
  Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun
  Computer\HKEY_CURRENT_USER\Software\Microsoft\Office
• Reboot the PC and then reinstall Microsoft Office.