Quicktime won't start or play .mov files

I have an interesting problem - Quicktime 7.4.1.14 shows that it's installed correctly via the Apple Quicktime troubleshooter, and it will play Quicktime movies inside my browser (Firefox), but when I click on the quicktime shortcut on the desktop or click on a .mov file on my PC, the program won't open - the system reacts and there's briefly an hourglass, but then nothing happens. There's nothing in the Windows XP event logs that indicates a problem.
Is there some way for me to get a log of what Quicktime is trying to do so I can at least try to fix the problem? I have removed my Temp directory and uninstalled and reinstalled Quicktime and iTunes several times, but that did not help. I do have Windows Media Player 11 and Nero 8 Ultimate installed, in case that provides any additional helpful information.
Thanks for any help ...

I have found the answer, and I hope it might be helpful to others. The problem was with a skinning program called WindowBlinds - if I exclude Quicktimeplayer.exe from being skinned, the program works just fine. Although the problem was not a security rights or "Deny" problem, using Runas to access another administrative login to run Quicktime did work around the problem; in fact, even if did a Runas using the same login where Quicktime wasn't working, that solved the problem - the Runas interface must somehow avoid the skinning problem or whatever specific environment or problem WindowBlinds is causing.
WindowBlinds is also causing some other programs, notably a few setup.exe files, to not execute in the same way - they try to start, and then abort with no error message - they just quit. When I unloaded WindowBlinds, they also started working again. A very strange and unintuitive problem and solution.

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Won't Start or Play movies

I have finally gotten Quicktime 7 upgrade to actually install but now it won't launch movies. When I come to the site I get 2 or 3 'plug-in error' messages. I can view movie trailers here, and the demo's, but can't play the movies on my system now. I have IE6 SP2, Windows XP. I had to physically edit registry because previous versions would not back out, QT7 kept doing 'rollback' and fail to install. Also now my movie files from my Kodak Easyshare camera will not play. Can anyone help? I have checked Easyshare, McAffee, IE6, WinXP, everything is current.

Hi, Since you have Flash Player Installed correctly and the Shockwave Flash Object also, then the problems that you are having are not Flash Player related.
If the Webroot Spy Sweeper has any Realtime protection running, whether shields or by any other name, and you have McAfee running in Realtime, there certainly could be a conflict. Oh, I just took some time and went to the McAfee site.
You may want to read this and consider this post.
https://community.mcafee.com/message/132214#132214
This is another thread I found when searching for info:
https://community.mcafee.com/thread/18023?start=30&tstart=0 This is Page 3 of 3, I read page 1 and 2 also.
Glad you didn't find any DLM/getplus.
I don't know how you can solve this unless you shut down either McAfee and all of their components or Webroot and all of theirs. I know you have tried all that I suggested and more. The add ons in the browser you can control, but the Installed McAfee and Webroot you can't since they Install into the system files and the Windows Registry. (Not sure with Webroot on that tho) You could probably do a Search to find out. I just have one anti-virus/anti-spyware Installed and then have several on demand on the Desktop.
Let me know.
Thanks,
eidnolb

Quicktime can´t play .mov files

Iphoto doesn´t recognize movies from iphone (.mov files)
When I attach my iphone to import movies I made with my iphone 4 into iphoto, Iphoto tell´s me it can´t read the format (.mov files).
Quicktime cannot play .mov files either. I reinstalles ILife´11, that didn´t help. Importing the files into imovie doesn´t work either, because imovie always crashes. I can´t drag and drop the movies from my iphone via iphoto to my desktop - does anyone know how to do that?
Does anyone know how to fix this problem? Been to the Genius Bar, but they couldn´t help.

In case anyone has the same problem, this was my solution:
1. install Quicktime 7 from your old snow leopard CD, don´t download from the internet
2. then follow the instructions that Neutronjon gave in https://discussions.apple.com/thread/3211124?start=0&tstart=0, if you have the same error message
I have had this problem for a year now, tried all sorts of things, and this finally worked!

Quicktime will not play .mov files since Lion installation

When using Quicktime 10.6, I am receiving the error message "...file could not be opened. A required codec isn't available." when attempting to open .mov files. Prior to installing OS X Lion, there were no issues with playing .mov files.

I'm having the same problem. Using a clean install of Mac OS X (10.7) Lion and QuickTime 10.1.
If I go to finder:
I can click on Icon's Play arrow and the Movie will play in the icon.
I can click on the file icon and press the spacebar and the file will play in QuickLook.
If I doubleclick on the icon to open the file in QuickTime, I get the "...file could not be opened. A required codec isn't available." message.
If I right click on the icon and click open with... QuickTime, I get the "...file could not be opened. A required codec isn't available." message.
MBP, Mac OS X (10.7)

Quicktime not playing .mov files

i have a problem with quicktime. it doesn't play .mov files. if i try to play .mov files that are embedded in a .pdf file, a window opens but stays blank, although the progress bar moves. if i try to open the files in quicktime, there's no window, just the progress bar that moves. i run the latest version. i've already tried reinstalling - didn't help, uninstalling completely and installing - didn't help.
help?
many thanks!
diana

Quicktime>Quicktime Player Preferences>Advanced
Click on the MIME Settings button.
In the next window that opens up make sure that Streaming-Streaming movies is enabled (checked).
While you’re at it make sure all the boxes are enabled by clicking on the corresponding triangles so that they are pointed down.
This will show the “hidden” boxes especially the *QuickTime Movie* box. This box will enable you to play .mov files.
Click the OK button.

Problems playing .mov files in QuickTime 7.2.0

Hey everyone!
I have a problem with my QuickTimePlayer.exe application. It will play all other movies just fine, except for .mov files. It will open them and play .mov files, the sound will be fine, but the video is extremely choppy.
I FINALLY got to play .mov files by uninstalling QuickTime 7.2.0 and installing the Vista Codec Package 4.4.8, which contains QuickTime Alternative. The only problem is that it doesn't come with QuickTimePlayer.exe, which is what I want my .mov files to open with.
After hours of installing, uninstalling, and re-installing codecs, I discovered that it wasn't a codec problem at all. It was the QuickTimePlayer.exe application that was the issue.
But what's weird is that the exact same version of QuickTime on another computer will run .mov files *WITH QUICKTIMEPLAYER.EXE!!* So there's something going on with some settings in my computer.
I can't seem to figure this out. Does anyone else know what the problem could be? Thanks in advance!
Brent

I've discovered the problem!! It was the latest release of the NVIDIA nForce drivers that were the issue.
For as to WHY this specifically affected the playback of .mov files, I can imagine how. It's weird how the one thing you least expect to be the problem actually IS the problem.
Anybody have any idea how it affects it?

QT won't play .mov files any more

After a complete system re-install, QT player won't play .mov files any more. It tells me, some components were missing. Hey, this is its own file format!
MPG files run OK.
Thanks a lot for a good idea!
Peter

What format are the videos that don't play.
WMV...Windowa Mwdi Videos you'll need the flip4mac component. Free trail:
http://www.telestream.net/flip4mac-wmv/overview.htm
Other codecs, Perian and it's free:
http://perian.org/
Flash videos like the one on youTube. Adobe Flash comonent and it's free.
http://get.adobe.com/flashplayer/?promoid=DXLUJ
You should download all three and install. Remember to rebuild your Permission after install any or all of the above.

HT3775 Hi...I have the OS X v10.6.8 but my QuickTime is not playing .mov files. How can I fix this?

Hi...I have the OS X v10.6.8 but my QuickTime is not playing .mov files. How can I fix this?

Hi...I have the OS X v10.6.8 but my QuickTime is not playing .mov files. How can I fix this?
Depends of the specific kind of file you are trying to play. MOV refers to the file container. Any data compatible with the system used to create the file can be placed in an MOV file. If you don't have the same codecs available on your computer to play back the file or if your version of the QT player does not expect expect the encoded data to be in an MOV file container, then it cannot/will not play the file. Use the Finder Info window, media player Inspector/Information window, or a dedicated utility to determine what compression formats were used to create the MOV file and then install the required codec(s) if available.

HT3775 QuickTime Player cannot play "mov" file

Hi,
I have a problem to play "mov" file.
regards,

As Linc said, download VLC media player. Quicktime has limited codecs and would require a plugin to play .mov files, but I personally prefer VLC over any plugin available.

Since loading fcp 10.0.6 when I share a movie it won't open in quicktime even though it is a .mov file. Any help??

Since loading fcp 10.0.6 when I share the movie I can't open it in quicktime even though it is a .mov file. Any help??

Can you give us the details of your project, codec etc.
Can you check the drive you are exporting the master file to and the file itself for permissions and specifications.
Have you tried opening the file with something like VLC
http://www.videolan.org/vlc/index.html
Tony

I updated my computer and now I can't play mov files from anywhere

I updated my computer and now I can't play mov files from anywhere - won't play in FCP 7, Quicktime. Not sure what updates they were specifically since i hit the "update All" button without going over each one. Please help!! operating on 10.6.8 with FCP7

Just take a look at the last few days posts here and you'll see many people with the same problem and some possible solutions.
But you should never do any software updates unless you have a bootable backup of your startup drive. FCP7 is no longer being supported by apple and updating anything is fraught with dangers.

Quicktime will not allow playback of .mov files (format DVCPRO HD)

hi
i'm unable to play .mov files with quicktime application. i am using mac 10.4.11 and have the latest version of quicktime 7.4.5.
when i click the files the screen shows only white, and sometimes only audio, no images.
i am unsure if upgrading to quicktime pro would solve this, or if i need to download additional plug ins to support .mov playback.
i have opened to the movie inspector page and it does not tell me what plug in is needed - it lists the source, format, fps, playing fps (when available), data size, data rate, current time, duration and normal size.
how do i find which plug in i need?
thanks for hopefully helping. sara

I actually found a link to download the missing components that you listed. i installed the package and it now shows under hard drive / library / quicktime but the HD files will still not play in Quicktime.
could this be because i do not have FCP?
I do not need to edit with the clips - merely to be able to playback to review.
thanks sara

Cannot play .mov Files....

I am not able to play .mov files in my JFrame Window....
The Visual Content shows onli a pink screen and following exception...
The mov file which i tried to play is a standard file and plays well with quicktime player... Its not working with my code alone... I ve posted my code also... Can anyone look at this issue and guide me????
*--------------------Configuration: <Default>--------------------*
*# An unexpected error has been detected by Java Runtime Environment:*
*# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x7c911c48, pid=1864, tid=996*
*# Java VM: Java HotSpot(TM) Client VM (11.2-b01 mixed mode, sharing windows-x86)*
*# Problematic frame:*
*# C [ntdll.dll+0x11c48]*
*# An error report file with more information is saved as:*
*# D:\project\New Folder\hs_err_pid1864.log*
*# If you would like to submit a bug report, please visit:*
*#   http://java.sun.com/webapps/bugreport/crash.jsp*
*# The crash happened outside the Java Virtual Machine in native code.*
*# See problematic frame for where to report the bug.*
*import javax.media.*;*
*import java.awt.BorderLayout;*
*import java.awt.Component;*
*import javax.swing.*;*
*public class summar extends javax.swing.JFrame {*
    *public summar() {*
        *initComponents();*
    *private void initComponents() {*
        *trailer1 = new javax.swing.JPanel();*
*          trailer1.setLayout(new BoxLayout(trailer1,BoxLayout.Y_AXIS));*
*          trailer1.setVisible(true);*
        *setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);*
        *getContentPane().setLayout(null);*
        *trailer1.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));*
*Player player=null;*
                *try{player=Manager.createRealizedPlayer(new MediaLocator("file:\\c:\\common\\trailer.mov"));*
                *player.setMediaTime(new Time(30.0));*
                *trailer1.add(player.getVisualComponent());*
*          Control controls[]=player.getControls();*
*          CachingControl cc=null;*
                *for(int i=0;i<controls.length;i++)*
*               if(controls[i] instanceof CachingControl)*
*                    cc=(CachingControl) controls;*
*                    trailer1.add(cc.getProgressBarComponent());     *
*                    System.out.println("Found CachingControl");*
*          if(player.getControlPanelComponent()==null)*
*               System.out.println("Null");*
*          else*
*               trailer1.add(player.getControlPanelComponent());*
catch(Exception e1){}
getContentPane().add(trailer1);
trailer1.setBounds(250, 70, 320, 220);
pack();
*public static void main(String args[]) {*
summar s=new summar();
s.setBounds(0,0,960,660);
s.setVisible(true);
private javax.swing.JPanel trailer1;

When I 1st used QT after upgrading to ML, I received a message saying that a codec was missing, and that accordingly QT could not play the files. Just now, after tinkering with VSL in vain, I re-launched QT, and opened what had been a '.mov'-file, only to find that it is now an '.mpg'-file. How that transformation occurred, I do not know, but the result is that QTwill play the file perfectly well.
I am back with QT, and many thanks to you all that have tried to help.

Can't play .mov file!!

hello,
i'm having some trouble playing .mov-files.. I can watch trailers on apple.com but when I have a mov-file on the pc, it opens with a flashy green screen and pressing play will only give my a static (mostly green) and no noise.. this goes also for iTunes, movies there i cannot open but i can watch them on my ipod..
anybody any ideas?
thanks

What codec is this HD file? If they shot and captured in the Sony XDCAM EX format, FCP 5.1.4 won't be able to see that. The XDCAM EX support comes only with FCP 6.0.3.
Shane

No video but sound when playing .mov files

I'm trying to play .mov files on my computer and I get sound but no video. I've installed the latest verson of QT and no help.
The computer is an older MBP.
randalhillphoto

I should explain better. The mov files are exports from a 2-year-old MBP using FCP and exporting the files as self-contained movies. They were exported to use as an archive and saved on DVDs. Now I'm working on a 4 year-old MBP with FCE and trying to open the files with quicktime after downloading them from the DVD archives. I get the sound but no video. Please help me resolve this.

Quicktime won't start or play .mov files

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