Troubleshooting Office Install Error 30015-6(-1)

If you encounter the error code 30015-6(-1) during your Office installation, here are some effective solutions:

Verify your internet connection: Ensure that your internet connection is reliable and your network is functioning properly.
Temporarily disable your antivirus: Antivirus programs can occasionally disrupt installation processes. Disable your antivirus briefly and try installing Office once more.
Purge the Office installation cache: To do this, execute the following:
- Press the Windows key + R to launch the Run dialog box.
- Type %ProgramData%\Microsoft\Office\ and hit Enter.
- Remove all content within the Office directory.
- Reboot your system and attempt the Office installation anew.
Utilize the Office removal tool: Should you have previous installations of Office, employ the Microsoft-provided Office removal tool to eliminate any residual files or configurations.
Install Office in safe mode: To avoid conflicts from third-party software, install Office in safe mode:
- Press the Windows key + R to open the Run dialog box.
- Type msconfig and press Enter.
- In the System Configuration window, navigate to the Boot tab.
- Select the Safe boot option and choose Minimal.
- Apply the changes and click OK.
- Restart your computer and proceed with the Office installation.