Hi Folks
If you have problems with any of the following there are some invaluable tools to help you out.
Registry Access Denied or Permission Denied Errors - Look for Regmon using the link below.
File not found or Access Denied/File Folder Permission Issues - Look for Filemon using the link below.
Problems with w3wp.exe or the aspnet worker process - Look for Process Monitor.
http://www.microsoft.com/technet/sysinternals/default.mspx
Enjoy
G