Thanks for your help. I read into this problem some more. I ran the memory tests that the Vista Recovery lets you do. It reported no problems with my RAM. I'm also dual-posting on TechRepublic, so...

For the past few weeks, I have noticed slow boot-up times for my Vista laptop. More recently, I have had terrible boot-ups and
I can't figure out why.

I turn my computer off through Vista and it...

Success! Yay!

Everything that he posted about what he did was exactly what I had already done...except uninstalling the Bonjour software. I honestly had no idea what Bonjour was, so I always just...

From my understandings, Adobe uses the Windows Installer service, not InstallShield. However, I did check my InstallShield and made sure everything was fine with it. I also looked on InstallShield's...

Ah! Let me know if you find a solution! I'm completely stuck!

I actually turned off the UAC while I installed it, just to make sure everything didn't require an administrator access. I am downloading and installing Windows Installer 4.5, which I guess wasn't...

Yeah, that was my first result on Google. I don't have Google Desktop and I uninstalled all of my Google products prior to this installation. Thanks for the suggestion though.

I am having the same problem. I'm using Vista and trying to install Photoshop, InDesign, and Illustrator CS4 and I get the same error on all of them...1603. I had Photoshop CS3 awhile back but I...