This is not a defender file

I have this problem too. I unfortunately bought a PowerPC mac that I can not be updated past Tiger and my drummer has a new mac with updated Garageband. After recording one day, I tried to open the .band files on my mac and my mac said the file was corrupted and it was not a defender file.

Barbara
I think I may have fixed it but I'm not sure. I closed PSE down and reopened it and before the dreaded warning box came up I opened Photoshop Elements Editor/preferences/general/reset all preferences on next launch. So far so good.
Thanks for your help...
I'm still not sure why it happened though...
cheers
Mark

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Quick Time Pro - The movie could not be open. This is not a movie file.

I upgraded to 7.4.5 and now I can't view any of my AVI files. I am getting the following error message.
The movie could not be open. This is not a movie file. Please help!

It is most likley a problem in the new Quick Time (QT). My Updater downloaded the new QT 7.4.5 two Saturdays ago. I have been making movies in iMovie then posting them to YouTube. In the beginning I uploaded the movies as MOVs but soon discovered AVI files (larger file and added time to upload) had more clarity when viewed on YouTube. Once the new QT 7.4.5 downloaded all my AVIs had picture, but no sound! I downloaded the Perian component as posted in QT discussions. The sound returned to the AVI files. However, when I Exported an AVI movie from iMovie the picture quality was worse than MOV. There is something wrong with the new QT 7.4.5 when working with AVI, my AVI movies look terrible. These AVI files were all downloaded from my Ultra Flip Video camera with Flip’s codec 3vix. Flip is aware of this problem and acknowledged it last week, I sure hope Apple is also aware.

Quick time 'this is not a movie file' error message

PLEASE HELP!
i've recently downloaded some movies off the internet (.avi files) and although all have originally opened and played in quicktime, i am now getting 'this is not a movie file' error messages for all of them. I've had this before and restarting the computer has usually helped - but not this time. I've also tried reinstalling quicktime, as well as installing divx (i get an error message saying this file cannot be opened). for some reason i can't install VLC (some message about not being able to mount).
I've also burnt the files to a cd and tried playing from there (Rather than my external hard drive) but still won't work. The files won't even open up a preview... i really don't understand what could have happened though - i've opened and played all of them when i first downloaded them and they worked just fine!
i'd appreciate any help.
cheers

The fact that you cannot even mount one file or install another makes it sound more like an OS problem than a QT problem, though I guess in part some people deserve what they get with pirated movies through torrents. Have you repaired permissions?
The files you cannot even use that are not the videos in question indicate your problems lie elsewhere.

How do I remove NIDAQ drivers version 6.8.1 when thier is not an uninstall file?

How do I remove NIDAQ driver version 6.8.1 when their is not an uninstall file? I tried installing the latest version of NIDAQ, but am unable to until the old version (6.8.1) has been uninstalled. There is no uninstall feature in the add/remove option (The system is running Windows 2000 Pro), or in the National Instrments / NIDAQ folder. Does this have to be resolved through the registry? If so can someone walk me through the procedure? If not do you know of another method? Thanks in advance for your help.

Hi pmtec,
NI-DAQ 6.8 is actually installed within LabVIEW for that particular version. It can be uninstalled from your LabVIEW uninstaller. For more detailed information on this see the following KB:
http://digital.ni.com/public.nsf/websearch/08F0A1CF535D995086256AB6006BDEFC?OpenDocument

Mov-av error message. This is not a movie file.

Hello,
In capturing a live HD file from my AJA IOHD in PRO RES 422 the computer froze at the end of the capture and forced me to use Force Quit to close out of Final Cut 6. The file is 112 gig and all the information is there on my disk. But, when I try to open the quicktime file I get the dreaded "not a movie file" error message because it has the .mov-av extenson.
I imagine the header was corrupted and the directory needs to be rebuilt to get access to the file. Does anyone know how to do this? I would like to be able to open it without going to a very expensive data recovery service.
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Hello,
Use free application Treasured to do a diagnostic and preview your damaged files.
http://aeroquartet.com/movierepair/download.html
Then follow the steps proposed by Treasured to request a repair.
'I may receive some form of compensation, financial or otherwise, from my recommendation or link.'
Regards, BJ

"The movie could not be opened; this is not a movie file"

When transferring a video from my iPhone to my computer, it worked fine; however, when I actually tried to view the video on my computer it gave me the message in the title. It is marked in finder as a ".mov" quicktime file, and I am able to view the video on my phone. I see no reason for it not to function on my computer. Suggestions, or even a reason, would be greatly appreciated. Again, the video is fully viewable on the phone itself.

Did you try both QT 10 & v7.x?
To kill 2 cyber birds w/one cyber stone, make sure you have the following installed on your computer:
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Flip4Mac
VLC Media Player
Perian (AVI and FLV support)
Adobe Flash Player Software
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!http://i50.tinypic.com/izvwo1.gif!

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HELP!!

You may be out of luck. My understanding is that there is no need to optimize mac drives in osx.
Digital Rebellion has a QT repair tool that's part of it's Pro Maintenance Tools
http://www.digitalrebellion.com/promaintenance/
There's a free trial and it's worth a shot.
If you want to send me a small file, I'll see if there's anything else obvious that I can suggest.
My email is [email protected]

QuickTime - "Not a movie file"

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Thanks for the reply.
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This is not a defender file

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