SQL Server 2012 not properly opening .sql files and setting it in default files doesn't work.

Exactly as the title says. Sometimes I like to post things just to get their search rankings higher.  This is the solution I had for the problem where something went wrong in my installation of sql server 2012 and it _WOULD NOT_ properly open sql files by clicking on them directly, even using regular windows assignments.  This post on stack overflow has the best top answer for this issue and it fixed my problem.

http://stackoverflow.com/questions/14564469/opening-sql-files-in-ssms-2012-as-default-program-and-with-existing-instance