How to resolve the error code 0x80070002: SQL Server 2019 installation failed

Here are several methods to resolve error code 0x80070002 during SQL Server 2019 installation:

1. Verify system requirements: Ensure your system meets the minimum requirements for SQL Server 2019. Check hardware and software specifications, including OS version, processor, memory, and disk space.
2. Turn off antivirus software: Antivirus programs can disrupt the installation. Temporarily disable your antivirus and attempt to install SQL Server 2019 again.
3. Run the installer as an administrator: Right-click the SQL Server 2019 setup file and choose 'Run as administrator.' This grants the necessary permissions for a successful installation.
4. Inspect installation media: If using a DVD or USB drive, confirm the media is undamaged. Try copying the setup files to a different location and install from there.
5. Check Windows Update service: Ensure the Windows Update service is active and current. SQL Server 2019 needs specific updates to be installed beforehand.
6. Review installation logs: Installation logs offer detailed error information. Examine these logs for any error messages or warnings and address them accordingly.
7. Remove older SQL Server versions: Uninstall any previous SQL Server versions before installing SQL Server 2019 to avoid conflicts or compatibility problems.