Type of Folder / Files ?

[Falam]

I came across these folders what are they ? I assume I can delete the 2011 after knowing what they are

C:\ProgramData\Autodesk\SI\9\SI_2011_WIN_64\SI2011APRC4\MC3
C:\ProgramData\Autodesk\SI\9\SI_2011_WIN_64\SI2011APRC4\MC3\ProdDep_UserInd.mc3
C:\ProgramData\Autodesk\SI\9\SI_2011_WIN_64\SI2011SP1RC2
C:\ProgramData\Autodesk\SI\9\SI_2011_WIN_64\SI2011SP1RC2\MC3
C:\ProgramData\Autodesk\SI\9\SI_2011_WIN_64\SI2011SP1RC2\MC3\ProdDep_UserInd.mc3


C:\ProgramData\Autodesk\SI\11\SI_2013_WIN_64\SI2013RC2
C:\ProgramData\Autodesk\SI\11\SI_2013_WIN_64\SI2013SP1RC2

[luceric]

These are the cache files for th Customer Involvement Program. yes you can delete if you are not running 2011

[Falam]

These are the cache files for th Customer Involvement Program. yes you can delete if you are not running 2011

Thank you