Resolving Office Installation Error 30015-6(-1) Successfully

Follow these steps to resolve the error code 30015-6(-1) when installing Office:

1. Verify your internet connection: Ensure your internet connection is stable and free of network issues.
2. Disable antivirus temporarily: Antivirus software can sometimes block the installation. Temporarily disable it and try installing Office again.
3. Clear Office installation cache: To resolve installation issues, clear the Office installation cache by following these steps:
   • Press Windows key + R to open the Run dialog box.
   • Type %ProgramData%\Microsoft\Office\ and press Enter.
   • Delete all files and folders in the Office directory.
   • Restart your computer and attempt to install Office again.
4. Use the Office removal tool: If Office was previously installed, use the Office removal tool to clear leftover files or settings. Download the tool from the Microsoft website.
5. Install Office in safe mode: Third-party applications may interfere with installation. Install Office in safe mode by following these steps:
   • Press Windows key + R to open the Run dialog box.
   • Type msconfig and press Enter.
   • In the System Configuration window, click on the Boot tab.
   • Check Safe boot and select Minimal.
   • Click Apply and then OK.
   • Restart your computer and try installing Office again.