Opening a CSS file in Visual Studio 2010 may throw error ‘The operation could not be completed. Unspecified error.’

ISSUE DESCRIPTION: Trying to open a CSS file in Visual Studio 2010 shows error ‘The operation could not be completed. Unspecified error.’ WHAT IS CSS? A cascading style sheet (CSS) contains style rules that are applied to elements in a Web page. CSS styles define how elements are displayed and where they are positioned on…

1