Quicktime not playing certain .mov files

I have a situation where Quicktime isn't displaying anything on a particular .mov file on the internet. The quicktime control pops up, and starts playing, but there is no image or sound. I'm using a PowerPC mac with Quicktime 7.1.2 and OS 10.4.7 on an eMac. I'm able to view other quicktime files. The same mov file works fine on another Mac in our house, which has identical software (Quicktime and OS) except that it's a newer intel Mac. Any suggestions?
eMac Mac OS X (10.4.7) 384 MB ram

The same mov file works fine on another Mac in our house, which has identical software (Quicktime and OS) except that it's a newer intel Mac. Any suggestions?
Open the "QuickTime" and "Internet Plug-Ins" folder in the main Library of both computers and compare contents to see if the working platform contains additional required components or lacks any that may be causing a conflict.

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Quicktime 10.1 not playing .avi/mov files

Have perian installed was working fine till Lion update. Any ideas?

I had this same problem and someone on here helped me solve it.
As stated, I did not have any problem and could not duplicate the original poster's problem.
See if you have DIVX For Mac installed.
Negative. I do not have any DivX components installed and am using Perian for playback. AVI (DivX5/MP3) files were created using Visual Hub under Snow Leopard. And, if I cannot get Visual Hub to work under Lion (PPC version is not Lion compatible), then I will drop AVI altogether since I only use it to send my sister clips.

Quicktime not playing full movie

Thanks in advance for responding. About half of the movies I download Quicktime will only play less than a minute of even though they are 15 minutes long. Any suggestions?

The usual cause of this symptom is that someone has merged a number of mpeg files incorrectly and QT is not recognizing the timeccode of the out-of-standard file. This freeware may be able to correct the time code and save as a standard mpeg so QT will play it all the way through:
http://www.squared5.com/
VLC is a little less picky about standards and chooses to ignore the incorrect timecode of the mpeg.

QuickTime Not Playing Purchased Movies

I've noticed that movies I purchased in iTunes, aren't playing in QuickTime. Is there a way to fix this?

Default player for the .m4v file extension is iTunes.
Right click (Control click) on the file and use the Open with: menu to chose a different application like QuickTime Player.
Use the Get Info window to change the default open with app.

Adobe Premier elements 11 not playing any MOV files.

Good Morning: I have been trying to get my Elements 11 to acccept MOV from my camera, Iphone 4s, Iphone 5 and Ipad air and it gives me "Cannot open" every time. Anything I can try or is there a patch? Thank you Bruce

Bruce Donnellan
I saw your last post replying to Hunt. Hunt has been away for the weekend and should be back soon.
If you have decided to go in another direction for your video editing, so be it, and I wish you success in your video editing program choice.
But, if you want to explore getting your specific footage edited with Premiere Elements 11, I would be glad for the opportunity to try to help you with that. To prove or disprove that it can be done, we could use two different approaches
a. You communicate details of the properties of your source media
and/or
b. You could post a link to a sample problem video, and I will try to edit it with Premiere Elements 11 (or any version from 4 to 12). I have Windows XP 32 bit, Windows 7 and 8.1 64 bit. Can test on all. In the case of "b", you would have to not have to use any more time, except for posting the Dropbox link to the sample. I will do the work from that.
I do not work for Adobe, nor am I affliated with it in any way. No relatives there either. Just a Premiere Elements user who has been troubleshooting these programs for years and have a fairly high success rate in doing so.
ATR

Quicktime not playing .mov videos captured with my iPad2

I moved some videos that I took with my iPad to my macbook pro, but quicktime will not play them (.mov files). What's the deal?

On the camera and after the transfer from camera to computer the files ended in .tod, as they always have. I had originally exported them into H.264, but the video quality was fairly shotty compared to what I typically get when exporting to .mov, and I really need the better quality. My biggest question is really why QuickTime will not play the converted .mov files now when it used to. What's the deal with it?
You say you are exporting to MOV. However, as QTKirk previously pointed out, MOV is a file format and not a compression format. So we still have no idea what video format you are converting to when you select the "Export to QuickTime" option. If you are using the default MPEG Streamclip video compression format for this export option, then you are converting the TOD file video to the Motion JPEG A compression format. Although I do not have a problem using it, according to the Apple Web Site, Motion JPEG is supported by Snow Leopard but no longer natively supported by Lion.

Unable to stop Quicktime from playing certain file types

Recently, Quicktime has begun to insist on playing certain file types accessed via Web Browser. I work at a radio station and we have to be able to import certain audio from the web into our own player/editing software.
I have it set in the preferences that Quicktime not play any audio files.
We have had to restrict the installation of Quicktime on our systems.
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Each user account can set their own preferences for QuickTime browser playback.
QuickTime Control Panel/Advanced/MIME Settings allow you to change those that will open via the QT browser plug-in.
If your page code is "sloppy" and you directly link to the audio files then you may get a wide vary of responses from the viewing browser. Some users will download the file while others may get a QuickTime playback in a "new" window.
Post a link to your page and we can view the page source code and help you with a solution.
Radio made America! I listen daily.

Quicktime will not play any video files

When trying to play any compatible video files .mov, .mp4 etc... all I get is a small black box in the upper left corner of the screen. The computer is not frozen I can close the window with the red x. I can open Quicktime and the web stuff opens but opening a video file on the computer causes this. I confirmed the latest version of Quicktime in installed and I have confirmed the video files I'm trying to play work on another computer and the .mp4 file plays in media player on this computer. The video card driver is up to date. I want to play my .mov files from my iphone but can't.

all I get is a small black box in the upper left corner of the screen.
Curious ... I wonder if this is a blown-out display preference?
Could you check something for me please? Create a new user account on the PC with full sdminidtrative rights. Log out of your usual account and log into the new account. Try playing a file in the new account. Does it display properly?
If it works okay in the new account, let's try to get things working in the normal account again with the instructions from the following thread:
http://discussions.apple.com/thread.jspa?threadID=2637322

Quicktime won't play my .mov files since I upgraded to Mavericks.

Quicktime won't play my .mov files, even those from an iPhone, since I installed Mavericks. "Tell Me More" doesn't tell me anything about a solution. Any suggestions?

What do I do?
Frankly, if you have deleted the original movie clips from your camera/camcorder and iPhoto, then it sounds as if you are up the proverbial creek without a paddle and there is nothing further that you can do.
Some facts:
For some reason, the movieclips are awful small (13-30 KB).
640 x 480
Codecs: H.264, AAC
While these facts are of little value without file duration information, as you yourself have already noted, the file sizes quoted are extremely small. A typical VGA H.264/AAC file of reasonable quality would normally have a combined total data rate in the 700 to 1,700 Kbps range depending on specific settings, profile, and level of the encoding software and could be even higher or lower depending on the quality levels required. Therefore, it is reasonable to assume that files in the 13 to 30 KB range only contain 104 to 240 Kbs and either have durations measured in fractions of seconds or do not actually contain enough data to be played. (E.g., the video data may be missing or the file is corrupted.) Thus, it is most likely that something was wrong with the workflow used to "export" your files to the external drive and when you ignored the fact that the files were not playing correctly, you closed the door on anything that you could do when you deleted the source files. (I.e., the normal workflow here is to copy the entire iPhoto library to the external drive, switch libraries, confirm the new library is working properly and only then delete the boot drive copy of the iPhoto library.)
OBS: When I try to convert the files into something else (AVI, MP4 whatever) either it comes with an error, nothing happens or the converted file wont open. This happens with various convert-programs.
If the data in the files is missing, then there is nothing to be converted by any application.

QuickTime Player7 can't open "video.3gp". The file may be damaged or may not be a movie file that is compatible with QuickTime Player. How can i do to open movie file? on OS X 10.10.2

i just tried to open video file on youtube. but it shown "can't open "video.3gp". The file may be damaged or may not be a movie file that is compatible with QuickTime Player. How can i solve this issue?

i just tried to open video file on youtube. but it shown "can't open "video.3gp". The file may be damaged or may not be a movie file that is compatible with QuickTime Player. How can i solve this issue?
In what file type and compression format did you download the YouTube content? I.e., to avoid such issues, you would normally download the source files as content that is natively compatible with your target player or convert incompatible file type/compression format combinations to files that are compatible with your targeted media player.

Quicktime not playing black magic codec files, or avi

Hello!
I'm on a new macbook pro (17"). my friend on an older mac laptop can play back a quicktime file in the player that has the blackmagic codec, but I cannot.
I can open the file and play it in final cut pro, I can see it in shake, but I can't play it back in the quicktime player. it shows up all white, but does list the codec as being the black magic 10 bit uncompressed codec.
I've downloaded the codec from black magic, and dropped it in /library/quicktime, but I'm not getting any result.
I've also tried "touching" the quicktime folder like they recommend, but nothing's working.
quicktime's also not playing back avi files, but I know that can be a bigger issue.
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-Josh

The Blackmagic Software Codec.component I just downloaded today show it to be PowerPC. Your Intel Mac needs a Universal version or else you need to run using Rosetta.
Your .avi issue is probably the same reasons.

HT3775 For some reason my Quicktime will not play a mpg file. It says that my computer does't have the proper codec to support the file. What can I do to fix this problem?

For some reason my Quicktime will not play a mpg file. It says that my computer does't have the proper codec to support the file.

The info in this thread should help you - https://discussions.apple.com/thread/3648239?start=0&tstart=0

HT3523 I can play an .mov file but cannot open it to move it to another drive/disc/etc. When we try to open it, we get a message that says "The movie file for "beanmine.mov" cannot be found. Without this file, the movie cannot play properly."

We can play a .mov file (a full-length film created in final cut pro) but cannot actually open it in QuickTime. We get the error message saying that a file is missing, and the movie can't play properly without the file. The thing is, we can play the film, we just can't open it to move it to another drive. Help?
Also, can the lost file (which was deleted) be recovered from a Mac HD or an external hard drive?
Help!

We can play a .mov file (a full-length film created in final cut pro) but cannot actually open it in QuickTime. We get the error message saying that a file is missing, and the movie can't play properly without the file. The thing is, we can play the film, we just can't open it to move it to another drive. Help?
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Also, can the lost file (which was deleted) be recovered from a Mac HD or an external hard drive?
That depends. Deleting a file does not actually erase the data immediately. Instead, the operating system just tells the system directory that the space containing the movie data is available for reuse if/when needed. As time passes, the chance that some of the data sectors will be re-written by other data continuously increases. To restore the file normally requires use of a special utility that both locates and restores all of the linked sectors containing the "deleted" movie data in their correct order. Other methods of restoring files would depend on the software you routinely have active on your system. For instance, do you use "TimeMachine?" or orther software that automatically backs up your data periodically? If so, then follow the instructions for your particular application to recover a deleted file.

Playing a .mov file on ipad

Hello,
I cannot open/play a .mov file from my dropbox on my ipad. Message <<file type is not currently supported>>. I made the movie with imovie and it works fine on my computer. I am also capable of using video in the photo center. How come I cannot open it from dropbox? Is there another way to send the video to my ipad and save it there.
thanks!!!

Hi loliza,
If you are having issues opening a .mov file directly from Dropbox, you may be able to sync it to your iPad from iTunes. You can also verify that the file plays directly in iTunes, and/or see if it may be necessary to convert/create an iPad-specific version. You may find the following articles helpful:
iOS: Syncing your data with iTunes
http://support.apple.com/kb/ht1386
iTunes: Frequently asked questions about viewing and syncing videos
http://support.apple.com/kb/HT2729
Apple Support: Verifying iTunes video conversion and video syncing using sample QuickTime files
http://support.apple.com/kb/ht1211
Regards,
- Brenden

Playing AVI movie files??

Help. I have 3 Macs: G4 Flat Panel, Imac G5- which play AVI movie files just fine. Mac Mini (specs below) which does not. Been at it for hours. The two older ones are non-intel, the mini is intel, this is the only difference I can see. I have the same software and plug-ins installed; (quicktime pro, flip for mac, windows media player, divx plug-in, xvid) All of them are running 10.4.11. When I put in a movie encoded in AVI in the mini I get a prompt that says roughly 'additional software plugin might be needed', can't think of anything else to do. Any info appreciated. Thank you.

If anyone else has this problem with an intel based mac here is link that solved my problem.
http://discussions.apple.com/thread.jspa?threadID=1964138&tstart=0&messageID=974 3888#9743888

Quicktime not playing certain .mov files

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