Fixing Error Code 0x84B20001: SQL Server 2012 Installation Issues

Effectively address error code 0x84B20001 with these troubleshooting steps for SQL Server 2012 installation:

1. Verify system requirements: Ensure your system meets SQL Server 2012's necessary hardware and software specifications, including OS, processor, memory, and disk space.
2. Disable antivirus software: Temporarily deactivate any antivirus software to prevent interference with the installation process.
3. Run installation as administrator: Right-click the setup file and choose 'Run as administrator' to grant the necessary installation permissions.
4. Inspect installation media: Ensure that your DVD or USB installation media is not damaged or corrupted. If in doubt, copy the installation files to a new location and attempt installation from there.
5. Review installation logs: Examine the log files located in the %ProgramFiles%\Microsoft SQL ServerH\Setup Bootstrap\Log directory for specific error messages that might indicate what went wrong.
6. Uninstall previous SQL versions: Remove any previous installations of SQL Server from your system to avoid conflicts with the new installation.
7. Update your system: Confirm that the latest service packs and updates for your operating system are installed before proceeding with the SQL Server installation.