Here’s a warning for those who are to update Visual Studio 2005 by installing service pack 1: Be prepared for a long wait, and a rubbish user interface.
I installed the service pack on my laptop using the Microsoft Update system. After downloading all 430Mb of it, the update screen said it was initialising the installation when in actual fact it was installing the software! So, if it looks like it’s not installing, don’t worry – the update is running, and you just have to wait until it gets through to the end! When it’s all completed, you’ll be presented with the usual screens when the software has installed (depending on the method you use).
After a quick check on Google, apparently there’s no way round it (apart from plenty of drinks and the patience of a saint!)