Resolving SQL Server 2016 Installation Failure: Error Code 0x80070003

To address the error code 0x80070003 during the installation of SQL Server 2016, consider these methods:

1. Verify system compatibility: Ensure your computer adheres to SQL Server 2016’s minimum specifications. Review the required hardware and software, such as operating system version, CPU, RAM, and available storage.
2. Temporarily disable antivirus protection: Antivirus programs can disrupt the setup process. Temporarily turn off your antivirus and attempt to install SQL Server 2016 once more.
3. Install with administrative privileges: Right-click the SQL Server 2016 setup file and choose 'Run as administrator' to grant the installer the needed permissions to execute properly.
4. Examine installation media: If installing from physical media like a DVD or USB, ensure it is free from damage or corruption. Consider relocating the setup files to another medium and install from that location.
5. Clean the registry: Utilize a registry cleaning software to eliminate any incorrect or corrupt registry entries that might be hindering the SQL Server 2016 installation.
6. Ensure Windows Update is active: Confirm that the Windows Update service is operational and current, as SQL Server 2016 might need specific updates prior to installation.