QuickTime Player (10.1) no longer plays (.mov) files it used to after Lion install

Greetings,
It seems that ever since I upgraded to Lion, many video clips I have no longer load. .WMV files load, but any/all .MOV files get a codec error code. All the video files I have worked seemlessly before no matter what suffix was attached to a video file. I'd also had QuickTime Pro in my system, but for some odd reason it disappeared once I moved up to Lion -- I have the keycodes, but it appears as though Apple only allows reprocurement. Has QT 10.1 taken over QT Pro? I'm totally stumped as to why (of all things) my .WMV files play, and any .MOV will generate the codec error message. What else stumps me, is that you can play any file if you hit the play button within the file list, but you can't launch it within QT! I have an old copy of Flip4Mac, so maybe that's why my .wmv files will play. BTW, I downloaded a fresh copy of QuickTime, but that didn't help at all.
Any advice would be greatly appreciated.

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Quicktime error -2048 when trying to play.mov files.

I have been frustrated this weekend trying to find a solution to a problem that has only recently occurred accessing some digitised VCR tapes that had been archived on an external HDD. These are files that played back fine on my Quicksilver after I had recorded them, but now give a "Movie Not Available" message in Quicktime. However when opened in VLC I get a debug message box with the following information posted below. Any clues as to what might be the problem?
I recorded the files from my VCR using an ADVC-100 DA converter over firewire into BTV Pro which created .mov files (DV-PAL). When I try to open the files in BTV Pro, I get a message box "There was an error opening the movie. No Movie found. Error code 20,-2048" Did a search for this error and -2048 appears to be a Quicktime error, so am wondering if there is a problem with my installation of Quicktime. I have got all the usual suspects in stalled, Flip4Mac, Perian, VLC. Mpeg Streamclip but can't get the file to open. The external HDD is Mac formatted but I found some info about problems with missing resource forks in older .mov files causing problems if copied to NTFS HDD's.
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+main debug: CPU has capabilities AltiVec FPU+
+main debug: looking for memcpy module: 2 candidates+
+main debug: using memcpy module "memcpyaltivec"+
+main debug: thread started+
+main debug: thread 26421248 (Interaction control) created at priority 0 (../../src/interface/interaction.c:382)+
+main debug: Creating an input for 'Media Library'+
+main debug: Input is a meta file: disabling unneeded options+
+main debug: `file/xspf-open:///Users/irdesigns/Library/Preferences/VLC/ml.xspf' gives access `file' demux `xspf-open' path `/Users/irdesigns/Library/Preferences/VLC/ml.xspf'+
+main debug: creating access 'file' path='/Users/irdesigns/Library/Preferences/VLC/ml.xspf'+
+main debug: looking for access module: 3 candidates+
+access_file debug: opening file `/Users/irdesigns/Library/Preferences/VLC/ml.xspf'+
+main debug: using access module "access_file"+
+main debug: TIMER module_Need() : 26.549 ms - Total 26.549 ms / 1 intvls (Avg 26.549 ms)+
+main debug: Using AStream*Stream+
+main debug: pre-buffering...+
+main debug: received first data for our buffer+
+main debug: creating demux: access='file' demux='xspf-open' path='/Users/irdesigns/Library/Preferences/VLC/ml.xspf'+
+main debug: looking for demux module: 1 candidate+
+playlist debug: using XSPF playlist reader+
+main debug: using demux module "playlist"+
+main debug: TIMER module_Need() : 19.485 ms - Total 19.485 ms / 1 intvls (Avg 19.485 ms)+
+main debug: `file/xspf-open:///Users/irdesigns/Library/Preferences/VLC/ml.xspf' successfully opened+
+main debug: looking for xml module: 2 candidates+
+main debug: using xml module "xml"+
+main debug: TIMER module_Need() : 99.281 ms - Total 99.281 ms / 1 intvls (Avg 99.281 ms)+
+playlist debug: parsed 0 tracks successfully+
+main debug: removing module "xml"+
+main debug: EOF reached+
+main debug: control type=1+
+main debug: removing module "playlist"+
+main debug: removing module "access_file"+
+main debug: TIMER input launching for 'Media Library' : 71.406 ms - Total 71.406 ms / 1 intvls (Avg 71.406 ms)+
+main debug: thread started+
+main debug: waiting for thread initialization+
+main debug: thread 25213440 (preparser) created at priority 0 (../../src/playlist/thread.c:79)+
+main debug: thread started+
+main debug: waiting for thread initialization+
+main debug: thread 26413056 (fetcher) created at priority 0 (../../src/playlist/thread.c:108)+
+main debug: thread started+
+main debug: waiting for thread initialization+
+main debug: rebuilding array of current - root Playlist+
+main debug: rebuild done - 0 items, index -1+
+main debug: thread 26417152 (playlist) created at priority 0 (../../src/playlist/thread.c:117)+
+main debug: looking for interface module: 1 candidate+
+main debug: using interface module "hotkeys"+
+main debug: TIMER module_Need() : 48.316 ms - Total 48.316 ms / 1 intvls (Avg 48.316 ms)+
+main debug: thread started+
+main debug: thread 25212416 (interface) created at priority 0 (../../src/interface/interface.c:168)+
+main debug: looking for interface module: 17 candidates+
+main debug: using interface module "signals"+
+main debug: TIMER module_Need() : 34.354 ms - Total 34.354 ms / 1 intvls (Avg 34.354 ms)+
+main debug: thread started+
+main debug: thread 26470400 (interface) created at priority 0 (../../src/interface/interface.c:168)+
+main: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.+
+main debug: looking for interface module: 4 candidates+
+main debug: using interface module "macosx"+
+main debug: TIMER module_Need() : 511.368 ms - Total 511.368 ms / 1 intvls (Avg 511.368 ms)+
+main debug: thread started+
+main debug: thread 26482176 (interface) created at priority 0 (../../src/interface/interface.c:148)+
+main debug: no fetch required for Playlist (art currently (null))+
+main debug: adding item `testing.mov' ( /Volumes/IR My Book/BTV Videos ƒ/testing.mov )+
+main debug: rebuilding array of current - root Playlist+
+main debug: rebuild done - 1 items, index -1+
+main debug: starting new item+
+main debug: processing request item testing.mov node Playlist skip 0+
+main debug: resyncing on testing.mov+
+main debug: testing.mov is at 0+
+main debug: creating new input thread+
+main debug: Creating an input for 'testing.mov'+
+main debug: waiting for thread initialization+
+main debug: thread started+
+main debug: thread 26771456 (input) created at priority 22 (../../src/input/input.c:370)+
+main debug: `/Volumes/IR My Book/BTV Videos ƒ/testing.mov' gives access `' demux `' path `/Volumes/IR My Book/BTV Videos ƒ/testing.mov'+
+main debug: creating demux: access='' demux='' path='/Volumes/IR My Book/BTV Videos ƒ/testing.mov'+
+main debug: looking for access_demux module: 2 candidates+
+main debug: no fetch required for Playlist (art currently (null))+
+macosx debug: input has changed, refreshing interface+
+macosx debug: notification received in VLC with name VLCOSXGUIInit and object VLCEyeTVSupport+
+main debug: no fetch required for Playlist (art currently (null))+
+main debug: TIMER module_Need() : 1288.828 ms - Total 1288.828 ms / 1 intvls (Avg 1288.828 ms)+
+main debug: creating access '' path='/Volumes/IR My Book/BTV Videos ƒ/testing.mov'+
+main debug: looking for access module: 8 candidates+
+vcd debug: trying .cue file: /Volumes/IR My Book/BTV Videos ƒ/testing.cue+
+vcd debug: could not find .cue file+
+access_file debug: opening file `/Volumes/IR My Book/BTV Videos ƒ/testing.mov'+
+main debug: using access module "access_file"+
+main debug: TIMER module_Need() : 110.747 ms - Total 110.747 ms / 1 intvls (Avg 110.747 ms)+
+main debug: Using AStream*Stream+
+main debug: pre-buffering...+
+main debug: received first data for our buffer+
+main debug: pre-buffering done 1408981 bytes in 0s - 9031 kbytes/s+
+main debug: creating demux: access='' demux='' path='/Volumes/IR My Book/BTV Videos ƒ/testing.mov'+
+main debug: looking for demux module: 59 candidates+
+mp4 debug: found Box: mdat size 32+
+mp4 debug: skip box: "mdat"+
+mp4 debug: found Box: mdat size 18891508192+
+mp4 debug: skip box: "mdat"+
+mp4 debug: dumping root Box "root"+
+mp4 debug: | + mdat size 32+
+mp4 debug: | + mdat size 1711639008+
+mp4 debug: file type box missing (assuming ISO Media file)+
+mp4 error: MP4 plugin discarded (no moov box)+
+avformat debug: detected format: mov,mp4,m4a,3gp,3g2,mj2+
+avformat error: avopen_inputstream failed+
+lua debug: Trying Lua scripts in /Users/irdesigns/Library/Preferences/VLC/lua/playlist+
+lua debug: Trying Lua scripts in /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/anevia_streams.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/appletrailers.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/bbccouk.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/break.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/canalplus.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/cue.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/dailymotion.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/france2.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/googlevideo.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/joox.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/koreus.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/lelombrik.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/megavideo.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/metacafe.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/youtube.lua+
+lua debug: Trying Lua playlist script /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/lua/playlist/youtube_homepage.lua+
+lua debug: Trying Lua scripts in /Applications/VLC ƒ/VLC.app/Contents/MacOS/share/share/lua/playlist+
+ps error: cannot peek+
+vobsub debug: could not read vobsub IDX file+
+dummy error: unknown command `/Volumes/IR My Book/BTV Videos ƒ/testing.mov'+
+subtitle debug: subtitle demux discarded+
+main warning: no demux module matching "mp4" could be loaded+
+main debug: TIMER module_Need() : 1954.294 ms - Total 1954.294 ms / 1 intvls (Avg 1954.294 ms)+
+main error: no suitable demux module for `/:///Volumes/IR My Book/BTV Videos ƒ/testing.mov'+
+main debug: finished input+
+main debug: dying input+
+main debug: removing module "access_file"+
+main debug: thread ended+
+macosx debug: input has stopped, refreshing interface+
+macosx debug: addition to non-blocking error panel received+
+main debug: dead input+
+main debug: thread 26771456 joined (../../src/playlist/engine.c:244)+
+main debug: TIMER input launching for 'testing.mov' : 3573.150 ms - Total 3573.150 ms / 1 intvls (Avg 3573.150 ms)+
+main debug: starting new item+
+main debug: changing item without a request (current 0/1)+
+main debug: nothing to play+
+main debug: no fetch required for Playlist (art currently (null))+

Well it used to work fine so I think so. When I try and run the installer you linked to I get a message saying that a later version is already installed- isn't it built into the latest QT releases? One thing I thought of- the original files I think were made on a mac so there were some resource fork files of 4K size. I deleted these as I kept trying to open them by mistake, but then after this trouble I dragged them back out the trash to the original location but it didn't fix the problem- could that have caused some sort of association problem?

How do you keep QuickTime Player 7 from crashing when opening movie files

When I try to open a bunch of small Quicktime files at the same time, it crashes with the report below.
Process:
QuickTime Player 7 [691]
Path:
/Used Applications/QuickTime Player 7.app/Contents/MacOS/QuickTime Player 7
Identifier:
com.apple.quicktimeplayer
Version:
7.6.6 (7.6.6)
Build Info:
QuickTimePlayer-17090000~1
Code Type:
X86 (Native)
Parent Process:
??? [1]
Responsible:
QuickTime Player 7 [691]
User ID:
501
Date/Time:
2014-11-28 16:56:21.951 -0800
OS Version:
Mac OS X 10.10.1 (14B25)
Report Version:
11
Anonymous UUID:
7D3A0DE1-DE0B-88D7-FBB2-495C468FBB23
Time Awake Since Boot: 3000 seconds
Crashed Thread:
0 Dispatch queue: com.apple.main-thread
Exception Type:
EXC_CRASH (SIGABRT)
Exception Codes:
0x0000000000000000, 0x0000000000000000
Application Specific Information:
abort() called
Application Specific Signatures:
Graphics kernel error: 0xfffffffa
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib
0x9a05e69e __pthread_kill + 10
1   libsystem_pthread.dylib
0x9127dfd5 pthread_kill + 101
2   libsystem_c.dylib
0x9a491efe abort + 156
When I do this with Safe Mode, it doesn't crash. I'm guessing I need to some how make it so Quicktime uses more of the RAM, I got 16 Gigs, or use less CPU. Activity Monitor shows 87% CPU usage just before the crash. This is a one month old iMac, while on my old one from 2008 with just 4 GB RAM, it didn't crash.

Thanks to QuickTimeKirk on another post, I got the answer. You use qtl (Quicktime Media LInk) files to point to the real .mov files. Then the qtl file will download when linked to on a web page. After the instant download, Quicktime player will open and grab the stream. Even on a PC! Great!

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.

Quicktime not playing .mov files

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help?
many thanks!
diana

Quicktime>Quicktime Player Preferences>Advanced
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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?
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You did nothing wrong!
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I hope that Apple resolves this issue quickly as I have a large collection of DRM video titles on a 128Mb memory card installed in the Media Drive that I am unable to view.

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New version (.42) plays ogg files again so Apple have fixed the problem hooray

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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:
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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)

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?

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 Player (10.1) no longer plays (.mov) files it used to after Lion install

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