Very recently, my computer stopped opening quicktime when I click on a video clip in iphoto, Its quicktime X, and it works to play videos if I open quicktime and then search for the video. How do I go back to quicktime automatically launching from iphoto?

Very recently, my computer stopped opening quicktime when I click on a video clip in iphoto. I have quicktime X, and it still works to play videos if I open quicktime and then search for the video. How do I go back to quicktime automatically launching from iphoto?

Well since I do not have iPhoto 7 I can only guess what may be: As far I can remember up to iPhoto 8, iPhoto insisted on Quick Time Player 7. As I can see you have Snow Leopard (Mac OS X 10.6) and there Quick Time X is the standard playaer. Basically Quick Time 7 is not part of Snow Leopard.
Can you please check if Quick Time 7 is installed under Applications->Utilitis (in 10.6 Quick Time 7 if presenet is installed not under Applications - there Quick Time X is - but under Application/Utilities).
If not: insert your Snow Leopard installation DVD.
Once the installer opens, double-click on the Optional Installs folder
Double-click the Optional Installs.mpkg package
Click continue.
Select the option for QuickTime 7 then click Continue to start the installation.
If it is there you may try to move the iPhoto prefernce file to another folder and let iPhoto create a new one.
Please keep the old file until you are sure that iPhoto works how it should.
The iPhoto preference file can be found under your home folder then Library then Preferences and there
com.apple.iPhoto.plist
As alraedy mentioned do not delet this file, since if something goes wrong you can put it back.

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