Please can you test with StyleCop with the target and dll referenced in the project using local paths (eg ..\..\Build\StyleCop...).
(Also, please enable the right click on the messages window so it is more obvious I can copy and paste).
Thanks - mikeblake a hotmail
"NCrunch: If you are experiencing problems in getting this project to build, have a look at
https://www.ncrunch.net/...ing_project-build-issuesC:\Documents and Settings\blakem\Local Settings\Application Data\NCrunch\8508\10\Build\StyleCop\Microsoft.StyleCop.Targets (94): The "StyleCopTask" task could not be loaded from the assembly C:\Documents and Settings\blakem\Local Settings\Application Data\NCrunch\8508\10\Build\StyleCop\Microsoft.StyleCop.dll. Could not load file or assembly 'file:///C:\Documents and Settings\blakem\Local Settings\Application Data\NCrunch\8508\10\Build\StyleCop\Microsoft.StyleCop.dll' or one of its dependencies. The system cannot find the file specified. Confirm that the <UsingTask> declaration is correct, that the assembly and all its dependencies are available, and that the task contains a public class that implements Microsoft.Build.Framework.ITask."
PS the Bug submitter had an error, can you provide more exception details as the target audience is developers.