How to solve the error code 0x80070003: SQL Server 2016 installation failed

There are several possible solutions to the error code 0x80070003 when installing SQL Server 2016:

1. Check the system requirements: Make sure that your system meets the minimum requirements for SQL Server 2016. Check the hardware and software requirements, including the operating system version, processor, memory, and disk space.
2. Disable antivirus software: Antivirus software can interfere with the installation process. Disable your antivirus software temporarily and try installing SQL Server 2016 again.
3. Run the installation as an administrator: Right-click on the SQL Server 2016 installation file and select "Run as administrator." This will give the installation process the necessary permissions to complete the installation.
4. Check the installation media: If you are installing SQL Server 2016 from a DVD or USB drive, make sure that the media is not damaged or corrupted. Try copying the installation files to a different location and run the installation from there.
5. Clean up the registry: Use a registry cleaner tool to remove any invalid or corrupt entries in the Windows registry. This can help resolve issues that may be preventing the installation of SQL Server 2016.
6. Check the Windows Update service: Make sure that the Windows Update service is running and up-to-date. SQL Server 2016 may require certain updates to be installed before it can be installed successfully.