Debugging service/process startup.

Please refer to the excellent article: http://support.microsoft.com/kb/824344

Also, in Visual Studio set the 'Debugger' key to point to the VS solution as in
"devenv.exe my.sln /run"
Note that you can change the SCM timeout for the service startup in milliseconds at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control, ServicesPipeTimeout DWORD