Update to iTunes will NOT install and all subsequent attempts to reinstall fail.

I was informed of an update to iTunes tonight so I tried to install it. It would not install. "The program can't start because MSVCR80.dll is missing from your computer. Try reinstalling the program to fix this problem." A second error message pop up stating "iTunes was not installed correctly. Please reinstall iTunes - Error 7 (WIndows error 126)"
I've tried reinstalling iTunes 3 times. After each time I've cleared cache and temporary internet files and re-booted. I've used Firefox, IE 10 and Google Chrome. Nothing works.
I need this fixed. It was working great until Apple decided to put out an update that screwed everything up.

Go it done. The key appears to have been UTTERLY removing EVERYTHING - even going so far as to delete every iTune folder under Users/Local, LocalLow, and Roaming, and Programs Files, and clearing out all Temp files.
Thanks!

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After installing new update, my itunes will not open and it says to reinstall it. I did this two or three times and it still won't open. HELP!!!!!!

After installing the new iTunes update (10.5, if that's the newest update)
when i try to open iTunes, an error message pops up that says
iTunes.exe - Entry Point Not Found
"The procedure entry point
kCMByteStreamNotification_AvailableLengthChanged could not be
located in the dynamic link library CoreMedia.dll."
When I click OK, another message pops up saying
"iTunes was not installed correctly. Please reinstall iTunes."
"Error 7 (Windows Error 127)
I tried reinstalling it several times and the same thing keeps happening.
WHAT DO I DO?!!!
Please help!
Thanks!

Followed the steps in http://support.apple.com/kb/HT1925?viewlocale=en_US then downloaded and it worked.

Latest update of itunes will not install correctly - January 31, 2014

I just tried to download and install the latest edition (update) of itunes. I am getting this error message R6034 an application has made an attempt to load the C runtime library incorrectly, please contact the application support team for information. Fixes?

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.
(99283)

Update Downloads but will not Install (and a few other issues)

My dInc2 keeps telling me I have an update. I download the firmware and then it tells me that if I install I won't be able to use the phone. This is fine - it's what always happens. Except it NEVER installs. Ever. I've tried a million times. And more recently, my clock disappeared. I was so glad I wasn't having that issue - but then it happened. Has anyone else experienced the issue of updates not installing? How do I fix it?

AngM627, I can imagine how frustrating it must be for you to keep receiving the notification advising you to update your phone software. Do you mind telling me which software version is on your Incredible 2?

ITunes will NOT install (and presents no errors either...)

Had iTunes on the machine, had to uninstall it for some reason.
Trying to put iTunes back on, so I downloaded the latest version (32bit just like my Win7) directly from Apple, and when I double click on iTunesSetup.exe, the mouse pointer goes busy for a short time, and then NOTHING ELSE HAPPENS.
No errors or any other clues or information.
Here is what I have tried:
-running chkdsks on all drives
-removing all apple software on machine
-removing iPod device from Devices
-trying to install different versions of iTunes or iTunes from different sources
-uninstalling my security and antivirus programs
-Edit: Also, yes, I did Run As Administrator
No matter what I do, nothing happens. I can see the iTunesSetup.exe process show up in the Processes tab of the Task Manager for one second, before it quietly vanishes again.
What should I do? I NEED iTunes for my iPod Touch.
How can I get iTunes installed?
Running a very nice Quad Core machine with a GTX285, windows 7 RC.
Message was edited by: sindyr

Go it done. The key appears to have been UTTERLY removing EVERYTHING - even going so far as to delete every iTune folder under Users/Local, LocalLow, and Roaming, and Programs Files, and clearing out all Temp files.
Thanks!

I have installed latest update for itunes but it will not install and I receive a message Apple Mobile device failed to start. I have uninstalled and reinstalled itunes but have the same problem. I am using windows 7 and internet explorer

I have downloaded the latest Itunes update, but it will not install and I receive a message 'apple mobile device failed to start'. I have uninstalled and reinstalled itunes but still have the same problem!

Hi there willjay3976,
You may find the troubleshooting steps in the article below helpful.
iTunes 11.1.4 for Windows: Unable to install or open
http://support.apple.com/kb/TS5376
-Griff W.

My itunes will not open at all. it occasionally will open but when i plug my iphone into it the program freezes and crashes. please help as soon as possible

my itunes will not open at all. it occasionally will open but when i plug my iphone into it the program freezes and crashes. please help as soon as possible

i think i might have a solution... i have windows vista and after i installed to latest itunes update everytime i tried to open it it would freeze. I tried everything, including uninstalling itunes and all of its components and reinstalled it numerous times. So i went to the itunes folder in my folders, not on itunes, and i deleted my itunes library and playlists. After that it worked just fine, all of my music was deleted but luckily i had my files saved elsewhere.
I hope this helped! I know its frustrating and APPLE/ITUNES NEED TO FIX THE PROBLEM!!!!

HT5654 Just tried 3 times to update iTunes on my PC running Vista. There was an error. It stopped the installation. Now iTunes will not start at all. The error message tells me to reinstall which I tried but did not work. What should I do?

Just tried 3 times to update iTunes on my PC running Vista. There was an error. It stopped the installation. Now iTunes will not start at all. The error message tells me to reinstall which I tried but did not work. What should I do?

Hello, Jdragone.
Thanks for the question. Start with completely uninstalling iTunes and all of it's components in the order specified in the article below. Once this is done, download and install iTunes.
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8
http://support.apple.com/kb/HT1923
If you receive any errors when uninstalling any components of iTunes, try the steps in the article below for each component that gives you an error.
"The feature you are trying to use is on a network resource that is unavailable" alert appears when removing Apple software in Windows
http://support.apple.com/kb/TS3704
Cheers,
Jason H.

TS1717 Started a software update this morning which didn't work. Now Itunes will not open at all. I get the following message."The program can't state becasue MSVCR80.dll is missing from your computer."

Started a Itunes software update this morning which didn't work. Now Itunes will not open at all. I get the following message."The program can't state becasue MSVCR80.dll is missing from your computer."

There are a couple of options that I know of to fix the issue.
One is listed in this thread - https://discussions.apple.com/message/24606478#24606478 - and involves uninstalling iTunes and related components and then re-installing iTunes. You will need to read the instructions in the thread to see the correct uninstall order.
Second option is use System Restore to set your system back to a date prior to the iTunes update. I did this before finding the thread mentioned above.
Not sure exactly what the problem is but I know, after a search, that MSVCR80.dll was indeed already installed on my computer.
Message was edited by: karivers

I have windows 7 64 bit but the new itunes will not install because it can't find itunes64.msi. I have searxhed evertwhere on my pc. In addition, I can't uninstall the itunes and reinstall for the same reason.

I have windows 7 64 bit but the new itunes will not install because it can't find itunes64.msi. I have searched evertwhere on my pc. In addition, I can't uninstall the itunes and reinstall for the same reason. I can't upgrade for my icloud account.

Try the following steps:
1. Go to Microsoft website to fix install and Unistall problems. Click "Run now" from Fix it to remove all iTunes & related installer files:
http://support.microsoft.com/mats/Program_Install_and_Uninstall
Be aware that Windows Installer CleanUp Utility will not remove the actual program from your computer. However, it will remove the installation files so that you can start the installation, upgrade, or uninstall over.
2. You should remove all instances of iTunes and the rest of the components listed below:
it may be necessary to remove all traces of iTunes, QuickTime, and related software components from your computer before reinstalling iTunes.
Use the Control Panel to uninstall iTunes and related software components in the following order:
iTunes
QuickTime
Apple Software Update
Apple Mobile Device Support
Bonjour
Apple Application Support (iTunes 9 or later)
Follow the instructions from Apple article listed here: http://support.apple.com/kb/HT1923 to remove all components
3. Reboot your computer. Next, download iTunes from here:http://www.apple.com/itunes/download/ and install from scratch

Tried downloading itunes version 11.4 and received an error code 2324. Now itunes will not work at all and I cannot sync my phone, ipad or ipod. How should I proceed?

I have tried several times to load version 11.4 and keep getting an error code2324, now I cannot sync any of my apple products. I set my machine to a previous recover date, now iTunes will not work at all. I get a message stating I do not have the administrator rights to download. Any thoughts on this issue?

For general advice see Troubleshooting issues with iTunes for Windows updates.
The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down page in case one of them applies.
Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
tt2

TS1292 My iTunes will not work at all I've had 7 different people try it and its still not working

My iTunes will not work at all I've had 7 different people try it and its still not working

Cconnect it to your computer with the latest version of iTunes installed.

Do I have to buy Lion or snow lepoard or is there a way to updated from OS X 10.4.11?? I have a new ipod that will not work without the ne itunes, but the new itunes will not install without a newer vesion of Max OS X. Help please :)

Do I have to buy Lion or snow lepoard or is there a way to updated from OS X 10.4.11?? I have a new ipod that will not work without the ne itunes, but the new itunes will not install without a newer vesion of Max OS X. Help please

Need to know your Mac model. If it's a PowerPC, the max OS is Leopard 10.5.x. If it's an Intel procesor, you can upgrade to Snow Leopard (for $29) & later to Lion.
*Mac OS X 10.5 Leopard installation system requirements*
http://support.apple.com/kb/TA24950
Leopard is no longer available at the Apple Store *but may be available by calling Apple Phone Sales @ 1-800-MY-APPLE (1-800-692-7753)*.
Installing Mac OS X 10.5 Leopard
http://support.apple.com/kb/HT1544
Mac OS X 10.5 Leopard Installation and Setup Guide
http://manuals.info.apple.com/en/leopard_install-setup.pdf
After you install the base 10.5, download & install the 10.5.8 combo update at http://support.apple.com/downloads/Mac_OS_X_10_5_8_Combo_Update
 Cheers, Tom

HT1473 My itunes will not open at all - I repeatedly get the message"itunes library is corrupted...not installed correctly...please reinstall itunes" I have tried opening all my itunes folders but nothing will even open.

My itunes will not open at all - I repeatedly get the message"itunes library is corrupted...not installed correctly...please reinstall itunes" I have tried opening all my itunes folders but nothing will even open.

Let's try a repair install of iTunes first.
Restart the PC. If you're using Vista or 7, now head into your Uninstall a program control panel, select "iTunes" and then click "Repair". If you're using XP, head into your Add or Remove Programs control panel, select "iTunes", click "Change" and then click "Repair".
Can you launch your iTunes now?

After upgrading to 3.6.8 none of the plugins load even though there are updates available. The updates will not install and even though the error states to look at the console error log there are no errors listed in the log.

After upgrading to 3.6.8 none of the extensions load even though there are updates available. The updates will not install and even though the error states to look at the console error log there are no errors listed in the log. All extensions are listed in Addons>Extensions.
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I have been having the same issue for the last two weeks. No real indication as to why it ever began other than I had turned off my router and Airport Extreme Base Station off for a weekend while I was away from my place.
iPad, iPhone, iPod Touch, all have no issues at all with my Airport Extreme Base Station. Can stay connected throughout my living room, bathroom, bedroom, no issues whatsoever.
My 5 month old MacBook Pro 2.66 GHz Core i7 Airport is sometimes perfect, able to connect, DHCP, and browse without issue. Then, for no reason, I won't be able to join my wireless network, or when I can join, I can't pick up an IP address. And then it will connect, pick up and IP, and then it won't browse. No real rhyme or reason to when this will happen, or when it works.
I thought that it was an issue with my MacBook Pro, but then my sister visited with her brand new MacBook Pro 2.26 Intel Core 2 Duo, and while a month ago she was able to connect, DHCP, and browse without issue, this weekend she had all of the same issues I was having.
My XBOX 360 and MacBook Pro have absolutely no issues with the wired connection. Only my WAN seems to have this issue.
Did you ever find anything more to this?

Update to iTunes will NOT install and all subsequent attempts to reinstall fail.

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