Solving MsiGetProductInfo failed to retrieve ProductVersion for package with Product Code = ‘{8BDD006D-D5F0-4AAA-BA13-65995063EC44}’. Error code: 1608

Today I got call from one of my friend for help in installing SQL Server 2008 R2. Apparently, he somehow cancelled the installation at very beginning of process for some reason and then every single attempt to install it again failed with really weird error. To resolve this problem, we removed registry entries leftover, removed