Troubleshooting Error Code 0x80070003 During SQL Server 2016 Setup

Encountering error code 0x80070003 during SQL Server 2016 setup can be resolved through various approaches:

1. Verify system compatibility: Ensure your computer meets SQL Server 2016's necessary system prerequisites, including OS, CPU, RAM, and storage requirements.
2. Temporarily deactivate antivirus: Antivirus programs might disrupt the installation. Deactivate your antivirus briefly and attempt to install SQL Server 2016 once more.
3. Install with administrative privileges: To grant the setup file necessary permissions, right-click the SQL Server 2016 installer and choose 'Run as administrator.'
4. Inspect installation source: If using physical media like a DVD or USB for installation, confirm it isn't damaged. Alternatively, try relocating the setup files to another directory and initiating the installation from that location.
5. Purge registry errors: Utilize a registry cleaning tool to eliminate any obsolete or erroneous registry entries that could 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 to install properly.