How to solve the error code 0x800706BE: SQL Server 2014 installation error

There are several steps you can take to solve the error code 0x800706BE during SQL Server 2014 installation:

1. Check your system requirements: Make sure your system meets the minimum requirements for SQL Server 2014 installation. 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 your antivirus software temporarily and try the installation again.
3. Run the installation as an administrator: Right-click on the installation file and select "Run as administrator." This will give the installation process the necessary permissions to complete the installation.
4. Check for Windows updates: Make sure your Windows operating system is up to date. Check for any pending updates and install them before attempting the SQL Server 2014 installation.
5. Check for other software conflicts: Other software installed on your system can conflict with the SQL Server 2014 installation. Check for any conflicting software and uninstall it before attempting the installation again.
6. Use the SQL Server Installation Center: Use the SQL Server Installation Center to troubleshoot the installation error. The Installation Center provides detailed information on the installation process and any errors encountered.