Fear not, Leopard users, Apple is still watching out for you. QuickTime 7.7 for Mac OS X 10.5 Leopard closes quite a number of security holes. As is common, we have no sense of how worrying these vulnerabilities really are, but it’s probably worth updating if you use QuickTime in Leopard. And if you’re running Snow Leopard or Lion, move along, there’s nothing to see here. (Free, 68.85 MB)
Fixing Save as Adobe PDF Crashes
There have been many reported instances of the "Save as Adobe PDF" workflow crashing regardless of application, but precious few workarounds or resolutions. In troubleshooting, I discovered that there were three instances of the "Save as Adobe PDF.action" in three different locations: /Library/Automator; ~/Library/Automator; and /System/Library/Automator. By eliminating all except the version in /System/Library/Automator, the workflow started behaving, and I was able to cut PDFs directly from the Print dialog.
QuickTime 7.7 (Leopard-only)
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I downloaded from the link you provided. When trying to install, when I got to "Destination" a got a 'block' saying that I need to use the software update.
Okay, so I launched QT 7.6.6 hit the software update and it said I was up-to-date.
Okay, so I App Zapped it. Tried the QT 7.7 installer still at square one.
I keep playing around, but if anyone has any suggestions...mucho appreciato :)
using Mac OS X 10.6.8
http://www.apple.com/quicktime/download/ still downloads the old 7.6.9 dmg. File size matches my existing 7.6.9 file, so it's not just a graphics glitch.
Hopefully, Apple's on top of this.
Matt described it the best: "Apple, whose attitude towards backwards compatibility ranges from somewhat cavalier to downright heartless."