Side by side configuration error.

hi guys, i've installed Ai CC today but when im going to open it i get this error: "C:\Program Files\Adobe\Adobe Illustrator CC 2014\Support Files\Contents\Windows\Illustrator.exe This application has failed to start because it's side-by-side configuration is incorrect. Please see the application event log or use command-line sxstrace.exe too for more detail" what should i do ?