Quicktime

I had a whole lot of Quicktime Pro video files that have disappeared(about 1.5Gb) I had them in a temporary items folder adding to them on a weekly basis. I booted my Mac yesterday, it started up in Classic then when I changed the start up disk and re-booted they were gone....all of them. It also says I have the same amount of disk space left. I've searched everywhere to...

sorry if this is an old topic. So I'll play a video in quicktime and everything seems fine, but then after the video stops, I'll move the slider back and what I will find is completely different footage of the same video than what I just watched. Not sure how else to describe that. It's like the footage was somehow hidden in the other footage. I'm using QT 7.1.2 on an...

My quicktime has been anoying me ever since... well since I got my mac.. and the latest problem has officially been the worst. ...

QuickTime is missing software required to perform this operation. Unfortunately, it is not available on the QuickTime server. ...

QuickTime is missing software required to perform this operation. Unfortunately, it is not available on the QuickTime server. ...

QuickTime is missing software required to perform this operation. Unfortunately, it is not available on the QuickTime server. ...

Does anybody have the fix for the question mark that appears when I try to view quicktime video in safari. ...

QuickTime is missing software required to perform this operation. Unfortunately, it is not available on the QuickTime server. ...

I've played aorund with some other things, and I've discovered that it's not Quicktime movies, but only the trailers... I've looked at a couple other ones online, and they're fine, ditto for downloaded .mov files. ...

m given a window that says I can use either StuffIt Expander or Quicktime to open the document. ...