Office Troubleshooting Office Error Code: 30182-44 / 30015-45 Error codes 30182-44 or 30015-45 typically indicate a conflict with previous Office installations on your computer. Follow these three steps below to resolve these errors and successfully install Office Professional Plus! Step 1: Uninstall Previous Office Installations Use this tool from Microsoft to remove all remnants of any previous Office Installation: https://aka.ms/SaRA-officeUninstallFromPC. Step 2: Restart Your PC Once the uninstallation tool has completed its process, restart your computer. Remember to restart (not shut down). Step 3: Reinstall Microsoft Office After your PC has restarted, attempt to install Microsoft Office Professional Plus again. By following these steps, you should be able to resolve the installation errors and get Microsoft Office Professional Plus up and running on your machine. Office Troubleshooting - Previous Office Error code 30183-2016 (2147954402) Next - Office Troubleshooting Office: Installation is stuck