My MSN software has irrationally become disabled on my machine weeks ago after this update installation to the latest version of MSN. When I tried to connect it, the message would pop up saying I have no internet connection while my connection was absolutely up. I've been uninstalling and reinstalling the software but the set-up process always takes so long and after a long wait the same message would pop up saying, "No Internet Connection." So, at the moment I have not MSN software installed to my machine since it won't allow me. I let my IT friend at work look at the problem and all he said is I lost the cache files which I'm having a difficulty trying to draw the connection between MSN and cache files (I thought that cache stores a snapshot of an online resrouce, no?). Do cache files in this place mean something a little more complex than a low tech person like to me to understand?

Has anyone encountered the same problem before? Would be appreciated for any help in advance. Thank you. 
 

PS. my firewall isn't blocking MSN anyhow and I did all the work that might solve the problem yet the it still persists.