How to solve the error code 0x84B70001: SQL Server 2012 Setup Failure

There are several possible solutions to the error code 0x84B70001 when installing SQL Server 2012:

1. Check system requirements: Make sure that your system meets the minimum requirements for SQL Server 2012. Check the hardware and software requirements, including the operating system version, processor, memory, and disk space.
2. Disable antivirus software: Antivirus software can interfere with the installation process. Disable any antivirus software before installing SQL Server 2012.
3. Run setup as administrator: Right-click on the setup file and select "Run as administrator" to ensure that you have the necessary permissions to install SQL Server 2012.
4. Check for Windows updates: Make sure that your system is up-to-date with the latest Windows updates. Install any pending updates and restart your computer before attempting to install SQL Server 2012.
5. Clean boot: Perform a clean boot of your system to eliminate any conflicts with other software or services. To do this, open the System Configuration tool, select the "Selective startup" option, and uncheck all the boxes except for "Load system services." Restart your computer and try installing SQL Server 2012 again.
6. Repair .NET Framework: SQL Server 2012 requires .NET Framework 3.5 or later. If you encounter error code 0x84B70001 during installation, repair or reinstall .NET Framework on your system.
7. Uninstall previous versions: If you have any previous versions of SQL Server installed on your system, uninstall them before installing SQL Server 2012.
8. Check installation media: If you are installing SQL Server 2012 from a DVD or USB drive, check the media for any scratches or damage. Try copying the installation files to a different location and installing from there.