Quicktime 7.2 will no longer play specfic mp4 files

Quicktime 7.2 will no longer play specfic mp4 files that 7.1 and earlier versions play fine, But new mac running 10.4.10 will not let me install earlier version, these files where used and edited fine on similar spec mac running 10.4.9 (both intel)

You did nothing wrong!
Quicktime has never played wmv files natively. You ned to download and install Flip4Mac WMV Player from http://www.telestream.net/flip4mac-wmv/overview.htm (Windows Media Player for the Mac is no longer supported, even by Microsoft)

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QuickTime no longer plays certain MP4 files

After upgrading from 10.6 Snow Leopard to 10.9 Mavericks, I've noticed that all the MP4 files taken with my Samsung smartphone no longer play in QuickTime (or with Quick Look), whereas they played just fine in Snow Leopard. The MP4 files use the H.264 codec. Some other MP4s I have, which use the same codec, will play in QuickTime and Quick Look. I've also found some older MOV files (using the SVQ-3 codec) that don't play now.
Has anyone else encountered this? Is there any fix, or does it perhaps require an OS update? Since I skipped OS 10.7 and 10.8, I don't know what the situation was there.

Try downloading and using the QuickTime 7 from here: http://support.apple.com/kb/DL923 - it might have some of the older file support still working whereas the QTX does not.

ITunes will no longer play nor add to the library any mp3 files which I have created by conversion from a wav file.

I am running iTunes 10 on XP Pro and it will no longer play those mp3 files which I have created by conversion from wav files. I tried to delete some from the library and then re-add them but iTunes will not add them back to the library.
Can anyone help solve this, please?

Back up your purchased music before you upgrade, I've read at least 5 cases where purchased music has just gone.....missing.
That is not supposed to happen, didn't happen to me or thousnds of other iTunes users, but you don't want to be the 6th person, do you?
There are two things to try before you upgrade:
Barbara Hall, "Unknown Error (-208)" #1, 07:42pm Oct 19, 2005 CDT
http://docs.info.apple.com/article.html?artnum=302478

Video will no longer play, cannot add video content either.

Since this afternoon, iTunes video will no longer play. Not movies, not TV shows. I checked and music and podcasts still play. I thought it might be a conflict between purchased video vs video I added from my DVDs, but no such luck. Purchased content will not play. Nor can I add any new video, whereas I added a new TV show episode this morning.
If I go into the iTunes LIbrary file and select a video and choose "Play with Quicktime" the video plays just fine. But if I select "Play with iTunes" nothing happens. At all. Not even an error code. It's like I didn't select anything. If I try to add content by the keystroke "command O" and choose the file … again, nothing. No error. Just no response at all. When I open that file on my computer, select "Play with Quicktime", then choose "Share with iTunes" inside Quicktime I do finally get an error. "This file cannot be shared (error 206)". I looked up this error code and found this: "The filename or extension is too long." This does not make sense. The file names are fine and the extensions are exactly what I always use to add content to iTunes.
So it's like the entire video portion of iTunes has ceased to function. Any clues?
iTunes 10.4.1
OS 10.6.3

There are a g-zillion posts sharing your problem... but still no answer from Apple. The odd thing is that it is not affecting all of us.
I share your problem and it's doing my head in... if somebody mentions the 5 bloody R's again...!!!
Before updating to 1.2, ask yourself... how bad do you you really want Tetris????

Lots of my music will no longer play after latest update

Hello,
I have a lot of music that will no longer play in my iTunes after the last update. it doesnt happen with all my music, but a lot of it, and as far as i can tell, movies and tv shows are still good. when i click on the song, it just skips forward over a lot of songs that it cant play until it gets to the next one that it can play. to make things stranger, i synced my iPad to my iTunes, and the ones that cant play in my iTunes will play on my iPad. when i try to open the song using QuickTime player, i get the following error: error -2002 a bad public movie atom was found in the movie
what is a bad movie atom and why am i getting the error when trying to play an audio file, and why wont they play in my iTunes but will on my iPad.
System: Win7 Ultimate 64bit AMD A10 8GB RAM
iTunes : 11.4.0.18
QuickTime : 7.7.5
any ideas?
thanks

The contacts is saved on Google or Backup Assistance (Whichever you are using) and you can use ES File Explorer like I posted at http://community.vzw.com/t5/Android-Apps/Simple-way-to-Backup-apps-for-Hard-Reset/td-p/658707 , so you really wont loose anything but apps data...
BUT, I am not saying that you do this if that is your only issue... I was just pointing out that this is a good ideal to do with any Major Updates..
If the contacts isnt linked again you should get the option to link them again once the OS boots, normally it checks and then prompt to link again..

Help please: iTunes will no longer play downloaded songs

ITunes will no longer play songs that I've downloaded from the iTunes Music Store. It used to play them, but now it won't play them at all. It will play only songs in the library from my CDs. I only have these downloaded songs on one computer, the same as I've always had. I can see the files in the folder My Music/[artist]/[album]. I have QuickTime 6.5.2 and iTunes 4. I don't know of anything that's changed on my computer since the songs were working.
1) Is the problem that it's an old version of iTunes?
2) If I switch to a newer version, will I lose all my downloaded songs?
3) If the version of iTunes isn't the problem, any ideas about what could be wrong?
Please help! I've only had iTunes for a few months and have barely been able to use it. (I can't understand why it would become so outdated so quickly.) Thanks in advance!

Back up your purchased music before you upgrade, I've read at least 5 cases where purchased music has just gone.....missing.
That is not supposed to happen, didn't happen to me or thousnds of other iTunes users, but you don't want to be the 6th person, do you?
There are two things to try before you upgrade:
Barbara Hall, "Unknown Error (-208)" #1, 07:42pm Oct 19, 2005 CDT
http://docs.info.apple.com/article.html?artnum=302478

Safari will no longer play apple tutorials on the web

I've only had my mac for a couple of days and somehow safari will no longer play apple tutorials. If I click on one, it just loads and loads but never plays. Firefox doesn't work either. Somehow this feels quicktime related. My system is brand new. I have a quicktime plugin that has a version 7.6.3. Any help would be appreciated (youtube works fine).
Richard

Glad it's working for you. As for the PC to Mac basics... I just tried and it's working. Try again.
Try here also. Apple Pro Tips There are well over 100 videos there to watch.
Empty your cache more often!
And, launch iTunes. Select ITunes Store on the left side of the window then in the Search field top right type in: Apple Quick Tips
You can not only watch those but download them as well.
Trashing .plist application files is a great trouble shooting idea! I clean forgot.
Migrate to Mac from PC
Message was edited by: Carolyn Samit

Here is a crazy problem. My home movie will no longer play in iTunes.

I created a home movie using Final Cut Pro X. I shared it to ITunes. The video played ok. I then changed the name of the video under the "get info" tab in iTunes, and the thumbnail view of the video changed from the first frame of the movie to a picture of a film reel and the movie will no longer play. I tried changing the name back to the original, shutting down iTunes and the computer itself, copying the movie, all to no avail. I also tried accessing the movie from the finder, and it would not open using QuickTime or VLC. Any ideas?

The lack of a purchase date, although I am not quite sure why it happens, does not in itself prevent the track from being authorized and played. However, since the account name is correct and they have disappeared from your purchase history, something may have been corrupted.
Unless someone here has a better idea, you should take it up with iTunes Customer Service.

Many songs in my library will no longer play.

Many songs in my library will no longer play. I receive a message saying "song could not be used because the original file could not be found". It then offers me a selection of earlier libraries going back several years. None of these earlier libraries will play the songs. What has happened?

Hello jm64,
The following article can help get iTunes working correctly.
iTunes and QuickTime for Windows: Audio does not play or plays incorrectly
http://support.apple.com/kb/TS1362
Cheers,
Allen

A movie I bought a while ago will no longer play, instead it just shows a black screen and no audio. All of the other movies in my library play fine. Any ideas as to whats going on or how to fix it? Thanks for any help.

A movie I bought a while ago will no longer play, instead it just shows a black screen and no audio. All of the other movies in my library play fine. Any ideas as to whats going on or how to fix it? Thanks for any help.

Hi 22chill,
I recommend that we delete and re-download the movie from your purchase history:
Downloading past purchases from the App Store, iBookstore, and iTunes Store
http://support.apple.com/kb/HT2519
Thanks,
Matt M.

TS3789 I have similar problem, my apple tv which has always worked properly with my Samsung tv will no longer play any audio after the latest 5.1 upgrade. Very frustrating as it was working perfectly before. I am starting to not trust apple upgrades until

I have similar problem, my apple tv which has always worked properly with my Samsung tv will no longer play any audio after the latest 5.1 upgrade. Very frustrating as it was working perfectly before. I am starting to not trust apple upgrades until proven for example ios6 on iPhone with that stupid map app instead of google maps.
I just want to buy and hear my iTunes music and videos on my apple tv, could before cant now. Thank you apple. Time to pack up the apple tv and start torrenting without the ios-bs.
Disheartened apple fan.

Welcome to the  discussion forums.
Try going to synching in the sources menu on your tv and selecting 'change itunes library', when it gives you the passcode check itunes to see if the tv is showing up as a new device, if so try entering the pass code. It may be that your tv is seeing itunes as a different library because of a recent upgrade.

About 1/3 of my 4100 tunes will no longer play. Please help!

Over the past year I have spent countless hours painstakingly adding appropriate track information, cover art etc. I like the tracks to be attached to the original album, not a best of. I also have a lot of extended versions, remixes etc which then have to be attached to the specific 12" or cd-maxi single etc and a lot of hard to find - hard to attach stuff. Needless to say - I don't want to do it again.
Anyway - I just noticed that a large quantity of tunes (looks like about 1/3 of the library) will no longer play. Double click on them and nothing happens. No cover art - it's as if the song is not there. A look at the "get info" shows the track in the right place with everything pointing to where it should be ... but no play. To add insult to injury, I can't get them back by double clicking on the track itself in Explorer. It still will not play. And these songs are not corrupt. I have been playing them for some time now without issue. How can I save my library and information and get these tracks to play again.
Side note: this has happened before, usually after an iTunes update and typically with only a few tracks, never this widespread.
Please help!

I have made it a standard practice to keep a copy of all music files - tracks under the Album -- at a separate folder location.
Do you have such a back up location of your music tracks? If you do, I'd suggest to try this:
Delete all tracks, that are NOT playing, belonging to one Album in iTunes. Then locate the folder in your backup location where this Album's tracks are located, and ADD this folder to iTunes. Then check to see if these play OK.
If they do, then repeat the process for all the rest.

ITunes will no longer play my music, all the albumss are there but it if I click on a song to play it I get a message saying " The song (name of song) could not be played because the original file coul not be found. Would you like to locate it."

iTunes will no longer play my music, all the albumss are there but it if I click on a song to play it I get a message saying " The song (name of song) could not be played because the original file coul not be found. Would you like to locate it."

You get this message because iTunes can’t find the file. This can happen for a number of reasons:
The song file or a folder in its path was renamed
The song file or the folder it is in has been moved
The song file has been deleted
The device containing the song files e.g. external drive is not accessible or the drive letter has changed.
Do any of these aply to you?

HT4972 Has anyone had issues with failure of the music player to launch after updating to OS5? My Gen 3 will no longer play music!

Has anyone had issues with failure of the music player to launch after updating to OS5? My Gen 3 will no longer play music!

I think a few have.
Try the standard fixes:
- Reset. Nothing is lost
Reset iPod touch: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Restore from backup
- Restore to factory defaults/new iPod.

So my I phone 4s volume has decided to pack allowing only my phone to make sounds when I have an incoming call, I can also here fine using facetime and receiving calls. YouTube, soundcloud, any of I players will no longer play sound. I've restored the ph

So my I phone 4s volume has decided to pack allowing only my phone to make sounds when I have an incoming call, I can also here fine using facetime and receiving calls. YouTube, soundcloud, any of I players will no longer play sound. I've restored the phone using iTunes on my laptop and checked all the volumes are turned up and the button at the left hand Side of the phone is in the correct position.

Try inserting and re-inserting your headphones 7 or 8 times. Also try cleaning out the headphone jack in case of debris that might be interfering with the connection/disconnection.

Quicktime 7.2 will no longer play specfic mp4 files

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