facing problem

Question

dear sir/madam
 
 i have programs in earlier version of vs 2008. i installed vs2008. how can i access those programs.
i beginner in .net.
 
i have already executed programs in folders, when i can i access folder directly.becuae those folder based on master. when i opened i was getting error message.
 
pls help me anyone.
 
thanx in advance