Resolving Office Installation Error 30015-6(-1)

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

1. Verify your internet connection: Ensure you have a stable internet connection and that your network is functioning properly.
2. Temporarily disable antivirus software: Antivirus programs can sometimes disrupt the installation process. Disable your antivirus temporarily and try installing Office again.
3. Clear the Office installation cache: This can help fix installation issues. To clear the cache, follow these steps:
   • Press Windows key + R to open the Run dialog box.
   • Enter %ProgramData%\Microsoft\Office\ and press Enter.
   • Delete all files and folders within 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 removal tool to eliminate any residual files or settings. Download the tool from the Microsoft website.
5. Install Office in safe mode: Third-party applications can sometimes interfere with the installation. Install Office in safe mode by following these steps:
   • Press Windows key + R to open the Run dialog box.
   • Enter msconfig and press Enter.
   • In the System Configuration window, click the Boot tab.
   • Check Safe boot and select Minimal.
   • Click Apply and then OK.
   • Restart your computer and attempt to install Office again.