How to solve the error code 0x84B10001: SQL Server 2012 Setup Failure

There are several possible solutions to the error code 0x84B10001 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 and select "Selective startup" and uncheck "Load startup items". Restart your computer and try installing SQL Server 2012 again.
6. Repair .NET Framework: SQL Server 2012 requires .NET Framework 3.5 SP1 or later. If you encounter the error code 0x84B10001, repair the .NET Framework installation by going to Control Panel > Programs and Features > Turn Windows features on or off > .NET Framework 3.5 (includes .NET 2.0 and 3.0) and select "Repair".
7. Uninstall previous versions: If you have any previous versions of SQL Server installed, uninstall them before installing SQL Server 2012. This will prevent any conflicts or compatibility issues.