If you have Deployment Projects in Visual Studio 2008 (maybe 2005 as well), and your app to deploy uses Make Assembly COM-Visible, RegCap.exe will crash when building the deployment project on Windows 7 (maybe on Vista as well).
The work-around appears to be running Visual Studio in XP Compatibility mode.
Here is some more info:
https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=466157&wa=wsignin1.0
*** Update ***
The previous link does not appear to exist anymore, but there is a Stack Overflow article that tells equivalent information:
http://stackoverflow.com/questions/2334005/visual-studio-registry-capture-utility-has-stopped-working-error-compiling-c-sh
