Resolving Error Code 0x84B50000: SQL Server 2012 Installation Issues

Tackling the error code 0x84B50000 during SQL Server 2012 setup can be managed through the following steps:

1. Verify system compatibility: Confirm that your computer aligns with the SQL Server 2012's minimum requirements. This includes checking the necessary hardware and software specifications like operating system version, CPU, RAM, and available disk space.
2. Turn off antivirus programs: Antivirus tools might disrupt the setup process. Temporarily disable any antivirus software prior to the SQL Server 2012 installation.
3. Execute setup with admin rights: To ensure the installer has adequate permissions, right-click the setup executable and choose 'Run as administrator'.
4. Update your Windows: It’s crucial that your system is current with all recent Windows updates. Apply any outstanding updates before attempting the installation again.
5. Initiate a clean boot: Start your system with minimal drivers and startup programs to avoid software conflicts. Access the System Configuration tool, opt for 'Selective startup', and only tick 'Load system services'.
6. Repair the .NET Framework: SQL Server 2012 requires .NET Framework 3.5 SP1 or newer. If faced with error 0x84B50000, consider repairing your .NET Framework setup.
7. Remove older SQL Server versions: Prior installations of SQL Server should be uninstalled to prevent conflicts with the new installation.
8. Examine installation logs: For further clues on what might be causing the error, check the installation logs located in the %ProgramFiles%\Microsoft SQL ServerH\Setup Bootstrap\Log directory.