Movies suddenly won't play on iMac w/ Maverics

All movies (YouTube, Vimeo, my own on internal or external drive) suddenly won't play on iMac. Just started happening 3 days ago.

They just didn't play from browsers, my own mp4's, or .mov files, iMovie wouldn't work either; but solved it today by simply re-loading OS 10.9.2. Everything works fine now.
THANKS!

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Purchased movies suddenly won't play

I have purchased a bunch of movies a few months ago and they would play fine whenever, then all of a sudden yesterday and today no movies will play. Every time a music playlist gets to a music video it freezes and closes and every time i try to play a movie it freezes and closes. What do I do?

They just didn't play from browsers, my own mp4's, or .mov files, iMovie wouldn't work either; but solved it today by simply re-loading OS 10.9.2. Everything works fine now.
THANKS!

.MOV file won't play in QuickTime Player? QT Components?

I have a bunch of .MOV clips on my hard drive that I'd like to ultimately import to Final Cut Express (4.0.1) to edit (my wedding video!!). If I double click on the clip, it automatically opens in QuickTime Player (7.6.9), and I then prompted to a QuickTime Components website. I'm not sure why the .MOV clips won't play, since I believe I have the latest version of QT. What should I do?
Additional information on the .MOVE files: original format is MPEG HD, dimensions: 1280 x 720, Codecs: XDCAM EX 720p30 (35 Mb/s VBR) Integer (Big Endian), Timecode
Thank you for your help!

Upon further research, I found that a certain QT plug-in is required to use XDCAM EX footage in Final Cut Express, which can be found on this website:
http://www.calibratedsoftware.com/QXD.asp
I downloaded the demo, but have no idea how to use it to convert my files so FCE will accept it. Is anyone familiar with this plug-in and what to do once it is downloaded?

After a itunes update my HDV mov files won't play on my mac.

I applied and update to my MacBook pro and BAM!! Now my HDV.mov files won't play with QuickTime or final cut pro. I'm in the middle of a project and I can't finish it because when the files play in fcp I get a error. Can anybody help me with this?

I have two anserws I think might work for you. The first one is: This solved the issue down loading and re-installing Quicktime 7.5.5
http://www.digitalrebellion.com/blog/posts/using_pacifist_to_downgrade_quicktime .html
I'd create a backup of the System / Components and Quicktime folders first though, just incase you need to revert back.
and the 2nd one is:
I HAVE A FIX...AND IT WORKS!!!!!!!!! Actually a friend found this fix somewhere else, but I just did it and it worked. The only rub is you need to have access to another system that has not been updated to iTunes 10.5 or QT 7.7.
On the system that has not been updated, go to:
MAC HD/System/Library/Components and copy that folder to an external drive...next go to
MAC HD/System/Library/QuickTime and copy that folder to an external drive.
On the system that is not working, go to the same places on the MAC HD and delete those two folders. Then copy the folders from your external drive to the same location. Restart you system...i did it twice...and everything should be back to normal. This has worked on both systems here that were previously jacked up. If you do not have access to a system that was not messed up, let me know and maybe we can swap files.
I havent tried any of these yet because I'm in the middle of a project and I dont wnat anything to go wrong right now. After I'm done I will be sure to get started on one of these.
If you try any one of these let me know how it works out.

After an itunes update my HDV mov files won't play on my mac.

I applied and update to my MacBook pro and BAM!! Now my HDV.mov files won't play with QuickTime or final cut pro. I'm in the middle of a project and I can't finish it because when the files play in fcp I get a error. Can anybody help me with this.

Take a look at this thread...
https://discussions.apple.com/thread/3385122

ITunes rented movies won't play on my PC. "This movie required QuickTime which this version of iTunes doesn't include. So I downloaded QT but movies still won't play. HELP

iTunes rented movies won't play on my PC. "This movie required QuickTime which this version of iTunes doesn't include." So I downloaded QT 7 but movies still won't play. HELP Very frustrating.

Ok nw the rented film is on the iPad which won't play and when I looked at the Mac I was greeted with an error message saying that the film could nt be transferred because the file had already been transferred somewhere else! Thing is I can see it on theioad and the Mac still!
Obviously the film Kees checking where it as you can't watch it in two places at the same time. I can understand that but I knw it's not anywhere else.
The only thing I can think of is if when time machine backs it up it thinks it's being watched!
Any ideas anyone?

Clips suddenly won't play in iMovie

I have several projects I'm working on in iMovie. All of a sudden some of the clips that I'm using to create my projects won't play in iMovie any longer. When the project gets to the portion of the video where that clip is, the video freezes until the next "good" clip comes up in the timeline. All the while the music still plays over the frozen video. Also, the clips are taken from longer video clips that still play in iMovie. For example, in one case a video clip is 11 seconds long and I'm only taking the first 4 seconds. It is these 4 seconds that won't play. The rest of the clip plays fine if I bring it into the project but the first 4 seconds that I originally had in my project won't play no matter what I do. Thus I know it is not the format of the clips. Also, the clips still play fine in QuickTime, just not in iMovie.
I've tried suggestions such as deleting the iMovie preferences file (plist file), taking the movies out of the Movie folder, restarting iMovie, closing iMovie, moving my projects back to the Movies folder, and re-opening the projects to no avail.
I'm using
Mac Book with OS 10.6.4
iMovie 8.0.6 (821)
Quick Time 10.0 (114)

Hi
• Free space on Start-up hard disk. How much ?
Yours Bengt W

Flash 'test movie' animation won't play until refresh screen.

Suddenly, the flash animation won't play until I refresh the screen, in test movie. What's gone wrong? Has worked as it should until last night. Now, when I create a new flash file, the animation doesn't play until I refresh the screen. Then it works fine. It also plays the other swfs fine.

Thanks for the fast response. I appreciate it, Meishak.
I remember saving everything. I have the file. I go to File
>> Open >> I select the file I want>> Target file
DOES OPEN... but only in preview. I popup opens up and plays the
movie. But I cannot, to the best of my understanding (student
newbie advert. major) open it to where I can edit timeline and
stage and whatnot. I used to be able to. It is saved. It does open.
But just not to be altered... is the best way I could describe it.
I am assuming that maybe there is some type of "open as..." setting
somewhere and it just have it on "always open as preview."
I don't know... I have googled every troubleshot wordphase
under the sun and nothing. Any thoughts?
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Discs with paper labels won't play in iMac

I applied Avery paper labels on CDs for a client. Now, the CDs won't play in my iMac. I can hear the superdrive spinning on the CD, slow down to a crawl, then eject the disk. I lost the original content, so I need to retrieve the content to new CDs. Is there a way to remove the paper labels so I can salvage the data?

It sounds like the labels are causing an out of balance situation that the optical drive isn't able to compensate for. As you've noted, removing the labels is your best option. If they are paper labels then you should be able to remove everything but the adhesive using a simple water bath. Provide ample time for the labels to soak up the water so that they are easy to remove. Once the paper portion is gone and the CD has been dried you may find that you can read the discs and transfer the files. I wouldn't continue using the CD's with the adhesive still exposed because the adhesive will tend to collect dust, lint, etc and could get into your drive. Unfortunately I'm not sure if the chemicals in WD-40, which I would normally use to remove adhesive, will damage the CD. If you decide to atempt removal of the adhesive make sure you only appy it to the label side of the surface. Do not appy it to the edges of the CD since that is where the various layers come together and may provide an entry point for any liquids to wick their way into the media layer.
For future purchases I suggest staying away from labels and instead purchase discs that are ink-jet printer ready (assuming your printer supports printing on CD's).

MOV files won't play on Windows computers

I have a number of MOV files (shot in full 1080 resolution) that won't play on a Windows PC. When I attempt to open them I get a warning stating that Quicktime may need extra files (or plugins?) in order to play the file. When I select the link it takes me to a page with all sorts of other providers such as DivX. With that said, what is the best format to enable smooth playback on a Windows machine?

I am in the same boat. I need to view AVCHD files that were converted to .mov by iMovie on a PC.
I think it is mainly because iMovie isn't really compatible with AVCHD so it converts it to .mov.
But it is not a normal .mov!
Apple loves to help you go from PC to MAC but when you try to go back again, God help you.
I refused to pay the price for a new MacBook so bought a core i7 laptop for less than the cheapest MacBook(white)!
I am starting to believe that Apple suck!
Don't even get me started on the iPhoto and iTunes issues to change back!

HDV4 in a .mov file won't play back using any software

Issue:
I had 4 DVDs sent to me containing a bunch of .mov files that won't play back in any of the following apps:
QuickTime 7 Pro (includes Mpeg2 codec from Apple's Web site) - sends me to Apple.com's QT plugins page
Mpeg Streamclip - loads only some on batch import, but mostly displays white and plays the audio
HandBrake - Says not a valid source
VLC Player - error says that HDV4 files cannot be played
QuickTime Player - says format isn't a format that QT recognizes
I need to get this into a format usable by FCE. I'm running the most up-to-date 10.6 Snow Leopard, and the last version of FCE. How can I do this without losing my current version of iTunes or Final Cut Express?
Vent:
As videographers gradually move to hard-drive based cameras, their ability to submit their footage becomes more and more difficult. As a result, we get DVDs, flash drives, 64 GB memory sticks, and more. It seems like each one uses a different file format, and every format is proprietary. Where is a standards committee when you need one? Where is the open-source format?

from: http://xkcd.com/927/
In the words of my favorite engineer: "Standards are wonderful ... and there's so many to chose from"
-DH

Compressor creating movs that won't play in Windows

I am trying to make transcode video to play back on an installed HD television set. It is being fed by a Windows XP computer over HDMI using Windows Media Player. I have tried 25 different codecs including avi, wmv and mov. The avi and wmv will play on the pc, but the quality is bad and file size is too big. The movs that I create work fine on my mac but won't play on the pc. The movies load with an error message indicating an unknown file type. The audio track plays but no video.
Is there a "Make PC compatible" button that I am missing?

From what I've experienced, HD Quicktime Codecs are not cross-platform. You could try using AJA's or Blackmagic's free downloadable codecs, which are cross-platform, but I don't know how those codecs perform with Windows Media Player.
Your best bet would be to purchase the Flip4Mac HD WMV codecs:
http://www.flip4mac.com/wmv.htm

QT 7 .mov file won't play

Hi,
I wonder if any one can help.
I have been able to play a selection of qt movies on another computer (at work) - so I know they work. However, they won't play on my laptop!
Since they won't open in QT, I cant tell what format (codec) they are using. They won't open in Media player or VLC. I'm quite stuck. Anyone, any suggestions?
I am running QT7.1 (full version)
Installed codecs:
3ivx D4 4.5.1 for OSX
AC3 Codec.component
AppleIntermediateCodec.component
DivX 6 Decoder.component
DivX 6 Encoder.component
DVCPROHDCodec.component
EyeTV MPEG Support.component
FCP Uncompressed 422.component
Flip4Mac WMV Export.component
Flip4Mac WMV Import.component
FLV.component
LiveType.component
XVIDDelegate

Hi,
are you suggesting that there could be a conflict with the components (like the old extension conflicts!). I've tried removing them, and then adding them one by one.
The file doesn't open at all.
Two files have come from the same person. One opens, the other doesn't - at all. The one that does under format says N/A. If I try to open the problem one in VLC it says "mp4: MP4 plugin discarded (no moov box)". I don't know if this is related or is a red herring.
No the files aren't online. These are student projects.
Thanks for thinking around this with me.
Lisa

ITunes all of a sudden won't play screen goes blank

iTunes trailers was working perfectly last week, now when I hit play on a movie screen
just darkens and won't play movie, please help

I've seen a problem like this before. This was a solution that worked for me, as long as the songs were still visibly listed in iTunes. Select the song and check to see if the album art window says "Album Art Not Modifiable" (remember to set the album art window to "Selected Song" not "Currently Playing"). If the album art is NOT modifiable, select the songs that won't play, then go to Advanced > Convert ID3 Tags..., then click the check box next to ID3 tag version, and select the highest version, (currently v2.4).

Lumia 930 Xbox music suddenly won't play MP3 file

OS version: 8.10.14157.200
Xbox Music version: 2.6.414.0
I was listening with a wired headset, then suddenly it stopped playing (in the headset at least). Somehow the music continue playing in the loudspeaker with the headset plugged in. I stopped the music because seriously I'm in public. Tried playing music again and yep it won't play anymore, its just loading (the dots). So I restarted Xbox music, again it still won't play, and I am now getting an error prompt: "Sorry, we can't play this file on you phone. Error code: 8007045D". Of course, it played again after restarting the phone. This is not the first time this happened, its getting frustrating.

There might be two separate things here, not playing through the headset and not able to open the music library. If it is just one MP3 file not playing then that file is probably corrupted and you can simply delete and transfer a new copy.
However, given what happened during playback, I lean towards the file itself not being at fault. You don't say if you have restarted the phone itself, this might help because a simple temporary issue with the app is going to linger until a restart. Otherwise, check if there is an update for the app in the store, updating it would give you a fresh, unblemished copy.

Movies suddenly won't play on iMac w/ Maverics

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