As errors go I found this one is pretty horrific. I got the error deploying a windows service written in .net 3.5 from my Vista x86 dev rig, to a 2003 x86 server. Only having the .NET runtime installed on the server I wrapped the service up in a deployment project. The service installed fine, however when trying to start the service I got a "The service did not respond in a timely manner" error. Initially, like you would, I thought there was probably an error with my code in the OnStart method, but...