ITunes won't launch, no error displays. QuickTime won't launch either.

This computer is an eMac. After upgrading via Software Update, neither iTunes nor QuickTime will run.
What we've tried:
We first verified/repaired the permissions, dumped the preferences, and then tried to reinstall both apps to no avail! Any other suggestions?
When we try to launch either application, the icon in the dock looks like it's opening, but the application name does not appear in the menu bar and no window opens, but there is a triangle under the icon in the dock.
Intel iMac Mac OS X (10.4.10) also eMac and iMac G4 both running 10.3.9

As it turns out, when we did all the deleting/reinstalling on the eMac, we neglected to empty the trash after deleting the quicktime plist. After that was done, everything came back just dandy! DUH. Always take out the trash!

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Itunes wont open at all, error message : quicktime was not found .... please reinstall ... i did that but no luck this only seems to have happened since the 10.4 update, im on windows 7 ..

itunes wont open at all, error message : quicktime was not found .... please reinstall ... i did that but no luck this only seems to have happened since the 10.4 update, im on windows 7 ..

Can you start QuickTime on your computer?
You'll probably have to search for the Windows Installer Cleanup Utility and use it to remove QuickTime Player and iTunes. Then download and install the iTunes again.

ITunes keeps giving me an "error message" and won't download to my PC

Why won't iTunes download to my PC ? It keeps giving me an "error message!"

"msvcr80.dll" error.
First try updating to iTunes 11.1.5.5, using an installer downloaded from the Apple website:
http://www.apple.com/itunes/download/
If you still get the errors after that, try the following user tip:
Troubleshooting issues with iTunes for Windows updates

Resinstalling Itunes does not fix the error? It won't let me play my audible books because 'itunes was not installed correctly', so I reinstalled it and it still won't work. I'm lost, any suggestions?

I recently moved my itunes to a new computer. The audible stuff doesn't automatically come up because its not purchased from the itunes store. So I opened the files with itunes on my new computer. It said that I had to authorise my audible account on this computer which I did, but then itunes came up with the following:
'Could not authorise this computer because iTunes was not installed correctly. Please reinstall iTunes.'
So I uninstalled then reinstalled iTunes and it still didn't work, I then did it again and it STILL DIDN'T WORK.
I have absolutely no idea what to do now, so if anyone has any advice it would greatly appreciated.

When uninstalling iTunes on your windows computer, there is a specific way it must be done in order to completely uninstall all components of the software. Ensure you follow the article for your correct OS.
Windows XP - http://support.apple.com/kb/HT1925.
Windows Vista or Windows 7 - http://support.apple.com/kb/HT1923.

Imovie won't upload to youtube, and quicktime won't upload in hd

I have had no problems in the past. i would upload an hd video to youtube, and it would be able to play in youtube hd. now imovie won't post to youtube. and when i export it to quicktime in hd, then post it to youtube, it isn't in hd. i recently bought the hauppauge 1212 hd pvr and eye tv 3.5, so i could record gameplay in hd. any ways to upload to youtube in hd? i've had no luck so far. thanks

Here is my personl tutorial on this: https://www.youtube.com/watch?v=aqW8Lq9MUAk
Let me know if it helps solve your problem.
Tutorial:
Basically goes around the fact of uploading your movie strait to YouTube. By first exporting it to your desktop then uploading it to TouTube.

Quicktime for Windows -- on Vista -- opens a .mov movie once, then won't open the move and Quicktime won't even open itself. I've installed the latest version, and upgraded it to Plus as well.

I am having trouble opening .mov videos with Quicktime on my PC with Vista. I installed the latest version of Quicktime for Windows (V.7.7), and upgraded it to Pro. It will open a .mov file once, then after that it will not open any .mov file and in fact, when I try to open the Quicktime player it will not open itself. If I switch users to Admin, it all works fine, but when I go back to my regular role (where all of my preferences and programs are there for me to use), the same thing happens. An .mov file will open once, then never again, and the Quicktime player seems to be disabled.
I've tried different .mov files, so it's not a corrupt file that's the problem. And, in the past (a couple of Quicktime versions ago, I guess), all of this worked just fine.
Any helpful suggestions would be appreciated!

I have the exact same problem. They play on my Mac under Snow Leopard. Transfer to Vista gets a window with black and white and some other noise. No sound either.

Itunes has stopped working. This comes up everytime I launch ITUNES. I've uninstalled, reinstalled, removed support programs reinstalled support programs, created different user and problem still persists. Quicktime and Safari launch fine. Just itunes.

Itunes isn't working properly. I get this message every time I try and open Itunes. I've uninstalled, reinstalled itunes and all the support programs. Quicktime and Safari launch fine. Tried it with Nortons antivirus turned on and turned off etc. I've gone through the Apple Support file and removed the itunes preference files, I've started in safe mode and it still persists. This only started about a week ago when I changed over to my Iphone 4s. My phone loaded fine and backed up etc and now NOTHING....
I've got a Dell Inspiron 9400 with updated BIOS running Windows Vista Home Premium.
HELP..THIS IS WHAT I GET. Looks like a ntdll.dll error????????????????????????????????????????????
Problem Event Name: APPCRASH
Application Name: iTunes.exe
Application Version: 10.5.1.42
Application Timestamp: 4ebf7d7c
Fault Module Name: ntdll.dll
Fault Module Version: 6.0.6002.18327
Fault Module Timestamp: 4cb73436
Exception Code: 80000003
Exception Offset: 0004884e
OS Version: 6.0.6002.2.2.0.768.3
Locale ID: 3081
Additional Information 1: fd00
Additional Information 2: ea6f5fe8924aaa756324d57f87834160
Additional Information 3: fd00
Additional Information 4: ea6f5fe8924aaa756324d57f87834160

I had a similar error, but relating to a different .dll file and on 32-bit Win7. I think I isolated the problem to Norton Internet Security 2012 v 18.6.0.29 - iTunes would start fine with NAV Antivirus Auto-Protect disabled but crashed if Auto-Protect was on. I tried running iTunes as administrator (right click on the icon and select "Run as Administrator"; to make this permanent right click on the icon > Properties > On the Shortcut tab, click Advanced > tick Run as Administrator) and iTunes now runs fine. Maybe give that a try?

HT5654 iTunes auto update downloaded and installed on 28/01/2014. iTunes now won't launch and error message states file MSVCR80.dll is missing. Tried uninstalling and downloading/installing again to no avail. Any clues?

iTunes auto-update dowloaded and installed on 28/01/2014. iTunes now won't launch and error message states file MSVCR80.dll is missing. Tried unistalling and downloading/installing again to no avail. Any clues?

Click here and follow the instructions. You may need to completely remove and reinstall iTunes and all related components, or run the process multiple times; this won't normally affect its library, but that should be backed up anyway.
(99269)

ITunes Error: Cannot play bought iTunes movie from one day to the other "The selected movie won't play on your display."

Hi,
just a few weeks ago I watched on my new iMac 5k Retina a long-ago-downloaded movie (iTunes content, HD, Billy Joel. Live at Shea Stadium). I had no issues watching it on the new wonderful display just a few weeks ago!
Today I wanted to resume the video and got the error "The selected movie won’t play on your display. This movie can be played only on displays that support HDCP (High-bandwidth Digital Content Protection).".
Actually the movie plays for a few seconds and then the movie window gets black and the error message appears. Restarting iTunes does not help. Restarting the Mac also not.
How can this be fixed?
Additionally I get since I moved from my old iMac to the new one the iTunes error "Do you want the application “iTunes.app” to accept incoming network connections?" every time I start iTunes.
BR
Alex
iMac 5K Retina (ser no DGKP813CFY14)
AMD Radeon R9 M295X 4096 MB, 4 GHz Intel Core i7,
OS X 10.10.2 (14C1514)
I am running FCPX, iTunes, Aperture...

I found the issue, a new app that I installed the other day...just renamed it and now I can watch the bought content again...
BR
a

Itunes and quicktime both fail to launch, giving error reports

Getting a little ticked because ive been trying to get itunes to properly work.
To clarafy, i've done the following to try and fix this problem
Uninstalled itunes and quick time
Re-installed
Uninstalling just quick time and it almost loaded until it gave me the audio codec issue(i know i need quicktime for itunes to even work)
I've installed older versions of itunes (same issue)
I've tried loading up itunes on a different user account
Now i don't know what left to do (besides trying the msconfig, im in the process of doing that right now)
I need help guys
I'm really close to just taking back the ipod nano and getting something more windows compatable

Have you ever installed any of the following:
ACE & K-Lite mega codecs package, QT alternative, Storm codec, WinAVI video converter.
They are known to cause crashes with Quicktime. If you have one of them, you need to uninstall it.
You can get a clue to the presence of a problem codec by trying to run QUicktime preferences from the control panel. If you get an error message like this:
"An exception occurred while trying to run "C:\Windows\system32\shell32.dll,Control_runDLL "C:\Windows\system32\QuickTime.cpl"
You could have a problem codec, QUicktime does not install Quicktime.cpl in the system32 folder.
Then try the following method for removal of iTunes and associated components and Installer cleanup:
Download a fresh copy of iTunes and the stand alone version of Quicktime
http://www.apple.com/quicktime/download/win.html
http://www.apple.com/itunes/download/
Download and install Microsoft Installer cleanup utility, there are instructions on the page as well as the download. Note that what you download is the installer not the program – you have to run it to install the program
http://support.microsoft.com/kb/290301/
Now use the following method to remove iTunes and its components:
http://docs.info.apple.com/article.html?artnum=93698
If you hit a problem with one of the uninstalls don't worry, carry on with the deleting of files and folders as directed in the method.
Restart your PC.
Run the Microsoft Installer Cleanup Utility. (Start > All Programs > Windows Install Clean Up)
Remove any references you find to the programs you removed - strictly speaking you only need to worry about those programs where the uninstall failed.
restart your PC
Install the stand alone Quicktime and check that it works.
If it does, install iTunes

Itunes won't open. says error report

everytime i click on itunes a window comes up saying
"iTunes has encountered a problem and needs to close.
we are sorry for the inconvenience."
then at the buttom there are two links sayind SEND ERROR REPORT and DON'T SEND.
clicking either one won't do anything.
neither will uninstalling it and reinstalling it.
or restarting my computer.
i need help.

let's first check to see if this is associated with a problem with your QuickTime. (iTunes needs a properly functioning QuickTime in order to work correctly.)
try launching your QuickTime. does it:
(a) launch perfectly fine?
(b) fail to launch with an error message? (if so, what does it say?)
(c) exhibit other peculiar behavior? (if so, could you describe it for us?)

Quicktime won't update, itunes won't open...having no luck :(

I'm getting an error message when I try to download the current quicktime. iTunes won't open without it. The error message is below:
It says "Could not open key:
HKEYLOCALMACHINE\Software\Classes\QuickTimePlayerLib.QuickTimePlayerApp\CLSID. Verify that you have sufficient access to that key, or contact your support personnel"
I tried a link that was posted in another discussion about manually editing the registry and it did not change anything. I still get the same error message. I've actually looked over quite a few suggestions in other discussions (like deleting quicktime all over the place and trying to reinstall it) and nothing seems to work. I finally was able to get the newest version of itunes downloaded. However, when I go to launch itunes it will not open b/c it says that i need the newest version of quicktime (which i cannot download). When I try to download it via standalone, it gives me a new error message similar to the original except now the location is QuickTime.QuickTime rather than QuickTimePlayerLib.QuickTimePlayerApp. Before I uninstalled QT, I was able to edit the registry for the QT Player LIb and App. Since they did nothing I unistalled it again. However, after I uninstalled it, (and reinstalled just itunes which it finally updated) I tried to reinstall and it would not install because the new error message is the most resent one above... in the registry it will not let me change/save any permissions changes to QuickTime.QuickTime. I've again tried to uninstall it but now QT isn't there at all. I've been at this thing for a week and nothing seems to be working... any suggestions? I would love help!!!!
Oh, and I don't know if this will help at all, but I have an ipod mini from like 2003... when I couldn't get itunes to update at all to the current version I decided to uninstall itunes and my ipod mini... so then i had to reinstall my ipod with the cd software that came with it which also installed itunes... it worked fine and would open... then I tried to update itunes again and somehow i managed to get it to update itunes... however, when i go to launch itunes it won't let me b/c of the version of quicktimes i currently have. Thanks in advance for any help!

so i tried to download the windows installer update from the link you gave me but now i'm getting a different error and it won't let me download the installer. The error reads:
Windows Script Host
Script: C:\DOCUME~1\Owner\LOCALS~1\Temp\IXP000.TMP\StartMsl.vbs
Line: 1
Char: 1
Error: ActiveX component can't create object: 'Scripting.FileSystemObject"
Code: 800A01AD
Source: Microsoft VBScript runtime error
I have no idea what this means or how to fix it. Please help!

ITunes will not Launch - System error

After updating my OS X to 10.4.3 and updating iTunes to 6.0.1 I found that I was unable to launch iTunes. The error message stated "unable to read file or write to disk".
This seemed to sound like the file or app was locked down from what I understand from my other mac friends.
I am desperately missing my iTunes music and the ability to view Quicktime as well. Not sure if they are inter-linked.
Somebody please help?
17" Metallic G4 Powerbook Mac OS X (10.4.3)

Put me on the list of people for whom iTunes won't launch anymore.
I got the notification that iTunes had a new upgrade last night. So I let it. After that, everthing seemed to go normally except that after I click to accept the licence agreement, an error comes up
"The iTunes application could not be opened. An unknown error occurred. 0x666D743F"
That's it. I've tried removing iTunes and reinstalling about 4 times. I've also removed both iTunes and Quicktime, then reinstalling. I don't use Norton firewall. I do use Norton Antivirus. NAV is up to date.
I've used the registry editor to check for anything that may be left behind. It appears clean after an uninstall.
An interesting thing is that the desktop icon after a reinstall is a generic looking one with 6 little icons inside a slightly larger rectangle. When I right click to change to the nicer iTunes icon I notice that a lot of information to "start the program in" is missing. I've tried putting the path to iTunes in there, but that doesn't help either.
I sure hope some help or a fix/workaround or whatever is forthcoming. My iPod nano is going to be useless soon without a functioning iTunes.

My iPhone won't stop vibrating when plugged into my Macbook. All software is up to date. iTunes just gives me an error. No problems when plugged into a PC. Why the nonstop vibrating!?

My iPhone won't stop vibrating when plugged into my Macbook. All software is up to date. iTunes just gives me an error. No problems when plugged into a PC. Why the nonstop vibrating!?

When I connect it to my iMac (with up-to-date OS X Yosemite 10.9.5) - it doesn't work.
Specifically - iTunes automatically launches, but then quickly shows a dialog window that says, "iTunes could not connect to the iPhone. This device is no longer connected."
Meanwhile - on my iPhone - in the upper right-hand corner (where the battery life is displayed) - you can see the "plugged in" icon (lightening bolt) rapidly blinking on and off.
In other words - it seems like, when it's plugged in - it's rapidly connecting and disconnecting (several times per second).
If I click "OK" on that dialog window on iTunes - it instantly pops back up, and continues to do so as long as I keep the iPhone plugged in.
I have tried all and stile did not resolve my problem. I tried to restart both devices, try different cable (I have original cable). Both devices are new and software's are update it on latest versions.
Thanks in advance for any help!

Itunes 7 won't open, no error message, also another new strange problem

I found a thread for this awhile ago and followed it and it worked. However, I can't find the thread again, and after I restarted my computer, itunes once again would not open. I'm not getting any error message, just a brief moment with the hourglass symbol up and then nothing. So far I have uninstalled all itunes/quicktime products from my computer and reinstalled a few times, but nothing seems to work. Any help would be greatly appreciated.

some preliminary questions aimed at narrowing in on possible culprits.
(1) do you have Norton Internet Security 2005 installed on the PC?
(2) try launching your QuickTime. does it:
(a) launch perfectly fine?
(b) fail to launch with an error message? (if so, what does it say?)
(c) exhibit other peculiar behavior? (if so, could you describe it for us?)
(3) reboot the PC. bring up your Task Manager, and click on the "Processes" tab. now try to launch itunes again.
does an "itunes.exe" process appear in the Processes tab? if so, does it persist in there or does it disappear after a few seconds?

ITunes won't launch, no error displays. QuickTime won't launch either.

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