Resolving Error 0x80070003: Failed SQL Server 2019 Setup

Here are a variety of approaches to tackle the error code 0x80070003 during SQL Server 2019 setup:

1. Verify system compatibility: Ensure your computer fulfills the minimal specifications for SQL Server 2019, including the required operating system, CPU, RAM, and storage.
2. Turn off antivirus programs: Antivirus tools might obstruct the setup of SQL Server 2019. Temporarily deactivate your antivirus and attempt the installation again.
3. Install with administrative rights: Right-click the SQL Server 2019 setup file and choose 'Run as administrator' to grant the necessary permissions for installation.
4. Inspect the installation source: If you're using a DVD or USB for installation, confirm there's no damage or corruption. Consider transferring the setup files to another medium and initiating the install from that location.
5. Clean your system: Clear out temporary and obsolete installation files, along with any superfluous files on your computer. This action could help liberate space and diminish installation disruptions.
6. Update Windows settings: Ensure your Windows Update configurations are proper. Look for and apply any outstanding updates prior to installing SQL Server 2019.