Overcoming Error Code 0x84B40002 in SQL Server 2012 Installation

Follow these detailed steps to rectify error code 0x84B40002 during SQL Server 2012 installation:

1. Verify System Specifications: Confirm that your system aligns with the minimum requirements necessary for SQL Server 2012, including hardware and software components such as operating system version, processor, memory, and available disk space.
2. Temporarily Disable Antivirus Software: Antivirus programs can occasionally interfere with the installation process. Disable any antivirus software before proceeding with the SQL Server 2012 installation.
3. Execute Setup with Administrative Privileges: Right-click on the SQL Server setup file and choose 'Run as administrator' to ensure you have adequate permissions for the installation.
4. Inspect Installation Media: If installing from physical media like a DVD or USB drive, ensure that it is free from damage or corruption. Consider copying the installation files to an alternate location and rerun the setup.
5. Examine Installation Logs: Review the installation logs for additional clues about the error. These logs, located in the %ProgramFiles%\Microsoft SQL ServerH\Setup Bootstrap\Log directory, might contain specific error messages that can aid troubleshooting.
6. Remove Previous SQL Server Installations: Ensure no older versions of SQL Server are installed, as they may cause conflicts. Uninstall any previous versions before attempting a new installation.
7. Update Your System: Ensure your system is up-to-date with all recent Windows updates and service packs. Installing these updates may resolve underlying issues affecting the SQL Server installation.