It was set to 'delayed' on my system (perhaps installation of SP1 changed the original value?), but in any case, I re-booted a few times with alternating values (automatic vs. automatic delayed) and it appears as if there's no noticeable difference in overall startup time, so in the end I set it, as you suggested, to (non-delayed) auto. I also finished the other steps (installing the 3 hotfixes, then running the 6-times reboot/defrag optimization cycle) and my startup significantly decreased, although it's hard to say what exactly caused the improvement. Even before installing any of the hotfixes, just after a booting a few times, the startup time went down a lot, to 1 min. When I then installed the hotfixes it actually increased it again, and then, after the optimization/defragmentation, I'm down to about 1 minute, which is what I wanted. Thanks! Here's the weird thing though: it fluctuates, quite a bit actually. Without installing any new programs or changing any settings, I just rebooted a few times, and at one time, I get a startup time (until start of explorer) of 50 secs, then, for no apparent reason, it takes 1:20. That's still kind of fast enough for me, but now I wonder what could be the reason for that.