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 2021 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 2021 Professional Plus again.
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By following these steps, you should be able to resolve the installation errors and get Microsoft Office 2021 Professional Plus up and running on your machine.