Error: SQL Server 2012 Installation Error code 0x84B10001
Description: This error occurs when SQL Server Setup fails.
Complete error description,
TITLE: SQL Server Setup failure.
SQL Server Setup has encountered the following error:
Could not load file or assembly ‘file:///C:\Program Files\Microsoft SQL Server\110\Setup Bootstrap\SQLServer2012\x64\Microsoft.SqlServer.Configuration.SqlConfigBase.dll’ or one of its dependencies. The module was expected to contain an assembly manifest.
Error code 0x84B10001.
The reason behind the issue is because, already an installation of same version available on your system.
Solution: From Control Panel, uninstall existing Microsoft SQL Server 2012 Setup installation and start again with fresh installation,