Adobe support article: Installation freezes on Intel-based Macintosh with QuickTime 7.1 (Adobe Creative Suite 2, After Effects 7.0, Photoshop CS2, InDesign CS2, InCopy CS2); or, Intel-based Macintosh computers freeze during startup; or, Activation of Adobe Creative Suite 2 fails on Intel-based Macintosh computers. Solution: Upgrade Quicktime 7.1 to Quicktime 7.1.1. This update is available via Software Update (under the Apple menu).