Unable to install VS 2013 Tools in Ax2012 R3 cu11

We have Ax 2012 R3 cu 11 installed. kernel App Ver 6.3.4000.123
There is VisualStudio 2010 and 2013 Professional installed.We are unable to edit any reports and vs 2013 is not even showing application explorer. I tried installing the vs tools from cu11 update but i am getting the message that this component is not installed. Any suggestions pls.