I am sorry to hear you are having problems with ANTS Performance Profiler. Firstly, can you check that all of the PDB files associated with your assembly are present.
If they are, can you check whether performance counters are broken in your OS as per the following article:
http://blogs.technet.com/b/yongrhee/arc ... 008r2.aspx
Lastly, if it is just the graph that is not working, you may have to reinstall the VJ# redistributable:
You can find all versions of this library at:
http://msdn.microsoft.com/vjsharp/downl ... fault.aspx