Itunes update corrupted my computer

I updated iTunes yesterday and it caused my computer to turn itself off after 2 mins each time I tried to use it. I have had to uninstall it to get my Computer to work. Is this a known fault and have I lost my music?

My previous version of iTunes was working fine! Then, I attempted to download the latest version now 3 times with it failing each time. I got the corruption error message one time and it hung up two times. Now I have no iTunes! This is the first time that I have ever had a serious download problem. Something must be wrong with the Apple software.

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Can anyone help me? The iTunes update corrupted my program. I uninstalled, and then reinstalled iTunes; only to find an error message about iTunes Helper. After several fruitless, repeat attempts, I am at a loss. Please help-

Can anyone help me? The iTunes update corrupted my program. I uninstalled, and then reinstalled iTunes; only to find an error message about iTunes Helper. After several fruitless, repeat attempts, I am at a loss. Please help…

Many thanks.
With the Error 2, let's try a standalone Apple Application Support install. It still might not install, but fingers crossed any error messages will give us a better idea of the underlying cause of the issue.
Download and save a copy of the iTunesSetup.exe (or iTunes64setup.exe) installer file to your hard drive:
http://www.apple.com/itunes/download/
Download and install the free trial version of WinRAR suitable for your PC (there's a 32-bit Windows version and a 64-bit Windows version):
http://www.rarlab.com/download.htm
Right-click the iTunesSetup.exe (or iTunes64Setup.exe), and select "Extract to iTunesSetup" (or "Extract to iTunes64Setup"). WinRAR will expand the contents of the file into a folder called "iTunesSetup" (or "iTunes64Setup").
Go into the folder and doubleclick the AppleApplicationSupport.msi to do a standalone AAS install.
Does it install properly for you?
If instead you get an error message during the install, let us know what it says. (Precise text, please.)

IPod not recognized in iTunes updater or my computer

I know this scneario has been worked over a lot lately but I have not found anything that works.
About 2 weeks ago my computer stopped recognizing my Ipod, after working perfectly for a year. iTunes updater or my computer can't find it though Ipod does show it is charging in the dock. I did the 4 of 5 Rs I could, changed the fire wire port & cable. I took the Ipod to the Apple Store, it worked perffectly on their Windows machine. I ran MSCONFIG diagnostics with all 3rd party startup items turned off except iTunes & Ipod services --no change. Then put the Ipod in disk mode & ran MSCONFIG again with all 3rd party startup items turned off including Ipod services & iTunses. My Computer still could not recognize that anything was plugged into the I drive (where it used to show up). Any suggestions?

I've just deleted everything on my iPod so that the computer maybe would recognize it,it still doesnt and I don't know what the **** the proplem is,I am angry because I don't understand. Why the **** are these things supposed to be so great when after a couple of weeks they get some technical problem and then just don't want to co-operate. Before I deleted everything,there were some songs it didnt want to play and others it would play but somewhere out in the song it would stop and skip to the next song. It also would just all of a sudden restart itself without being any problem at all. Whenever I connected it to the computer,the computer would steal some battery,and a couple of days ago the computer stopped recognizing the computer. Will somebody tell me what the **** is going on with it?

Why can I no longer install iTunes updates on my computer? I keep getting messages saying it fails, and to do it manually, but then I get popups questioning whether I have the authority to make these changes. And it never updates.

Why can I no longer install iTunes updates on my computer? I keep getting messages saying it fails, and to do it manually, but then I get popups questioning whether I have the authority to make these changes. And it never updates.

Make sure you are running as the Administrator of the Account.
Also... See this User Tip by turingtest2
Troubleshooting issues with iTunes for Windows updates

Latest itunes update corrupted my itunes! Tried to download itunes and computer won't accept it!!

Just updated itunes to latest version. After update, installed, I tried going into itunes and it was corrupt and stated to download itunes again. Tried that and it failed. Itunes will not install on my pc. Up until the itunes update, ALL WAS WELL!

My previous version of iTunes was working fine! Then, I attempted to download the latest version now 3 times with it failing each time. I got the corruption error message one time and it hung up two times. Now I have no iTunes! This is the first time that I have ever had a serious download problem. Something must be wrong with the Apple software.

ITunes update corrupt. Will not update

I downloaded the update for iTunes 11.0.3, when I try to open it I get this message:" this copy of iTunes is corrupted or is not installed correctly. Please reinstall iTunes."
I have tried downloading from app store and directly from apple. It says the same thing.
I do not know what to do!! Please help!
KT

So you're saying that you restored as new, then tried to backup again and iTunes will not complete the backup - correct?
Perhaps you have a corrupt backup in iTunes that is causing a problem. Without connecting the iPad to your computer, launch iTunes and go to Edit>Perferences>Devices. If you have multiple backups, delete all but one. If you only have one backup, delete it. Click OK. And then quit iTunes.
Connect the iPad to your computer and try to backup again.

ITunes update corrupted some of my music files so iTunes can't find the file, nor music I bought from the iTunes store.

After an iTunes generated update of iTunes, some of my music can't be accesed any more. When I try to play the file, iTunes says it can't find the link. This also happens with music I purchase from the iTunes store, so I've lost all this music; do I have to re-buy the purchased music again? My iTunes program is on my C drive, and the music library is on my D drive. In iTunes, I've set the ripped music to be placed in my D drive. The lost links are on some music files, but not others which do play music. Some compilation music files were split up into individual files, usually without LP art attached. Some album art was placed on wrong albums as well. Music with lost links have a ! mark beside the song name. File info says the link is on my C drive, but I can't find it there. Any ideas on how to get these lost files back. Thanks, Moizy.

Try this...
Empty/corrupt library after upgrade/crash
Hopefully it's not been too long since you last upgraded iTunes, in fact if you get an empty/incomplete library immediately after upgrading then with the following steps you shouldn't lose a thing or need to do any further housekeeping. In the Previous iTunes Libraries folder should be a number of dated iTunes Library files. Take the most recent of these and copy it into the iTunes folder. Rename iTunes Library.itl as iTunes Library (Corrupt).itl and then rename the restored file as iTunes Library.itl. Start iTunes. Should all be good, bar any recent additions to or deletions from your library.
See iTunes Folder Watch for a tool to catch up with any changes since the backup file was created.
When you get it all working make a backup!
tt2

ITunes update corrupt

The recent iTunes update is corrupt! do no install!!

I tried to install the latest version and had a problem with the install. It would not start one of the services and kept trying to. I tried installing thru apple updater and downloading my own copy, still no go. I restored my drive to a time before the attempted installation and ran a repair of the previous version that was installed. I won't be trying this again either! I hope the next version is better tested than this one.

ITunes update on HP computer.

I am trying to update iTunes on my HP computer. The message reads: the program can't start because MSVCR80.dll is missing from your computer.
What is the solution please? I have tried restarting the computer and reloading iTunes.

See Troubleshooting issues with iTunes for Windows updates.
tt2

Latest update causing problems with my itunes update on my computer,

Have had to delete itunes on my computer to try to get this update to upload. I cannot even access an earlier version. I have tried everything from uninstalling to cleaning my hard drive and still it will not install.

ITunes update 11.1.4 would not install and I received the following error message.
"The program can't start because MSVCR80.dll is missing from your computer. Try reinstalling the program to fix this problem".
A temporary solution was to restore my system to a date before the 11.1.4 update was applied.
This worked and I was again able to use iTunes except that synchronisation between iTunes, my iphone and ipad was frustrated. I received an message to the effect that “you need to turn on synchronisation in isync preferences before you can sync contacts and calendars.”
Further research on these boards revealed that this problem too was apparently caused by the Apple update could only be resolved by installing the latest version of iTunes i.e. 11.1.4
Thus a clean install of iTunes 11.1.4 was obviously necessary for complete functionality.
Thus I followed the procedures detailed by Turingtest2 here
https://discussions.apple.com/docs/DOC-6562
I carefully deleted all of the Apple related programs and folders I could find as suggested.
I had problems deleting Apple Mobile Device Support. I eventually managed it though by variously
using CONT-ALT-DEL to enter Task Manager and then Processes and then halted(ended) any Apple process I was able to find. It eventually deleted but not without a struggle!
I then performed a clean installation as described ensuring I right clicked on the download and selected Run as Administrator.
Itunes 11.1.4 was then installed with no loss of previously downloaded material – books music etc.
Not impressed with this Apple update at all…… a seemingly very cavalier approach to customer care.

5 th Generation ipod crashed after I downloaded recommended itunes updates on my computer. Any ideas what I can do

My 5th generation ipod was working perfectly. I downloaded recommended itunes updates on my dell pc with xp operating system. A couple of days later, I plugged in the ipod to charge it. When I next attempted to eject it, the screen was black and it will not turn on. Does anyone have any advice or information as to what I can do?

iPod Nano 5th Gen. User Manual http://www.apple.com/support/ipod/five_rs/nano/#
iPod nano Troubleshooting Assistant
Service Answer Center - iPod
iPod Repair Tutorials

Itunes update issue restarted computer now cannot start itunes

Prompted to download latest itunes version, I did this and restarted computer and now cannot restart itunes message "itunes cannot run because some of its required files are missing. Please reinstall." Do I have any options except reinstall will I lose all my playlists? Any assistance much appreciated.

THANKYOU SO MUCH.
I update this morning at work, on VISTA with iphone 4. Same thing, i restart, it tells me Itunes cannot start as files are missing.
I seached EVERYWHERE, with lots of stupid long winded possible solutions.
THIS WORKS, and its ONE SIMPLE CLICK... WHY DO APPLE NOT HAVE THIS LISTED ON THE FRONT OF SOLUTIONS
THanks to those who actually know what to do above.

Hello, did an Itunes Update kill my Computer?

Hello, since yesterday I'm owning a new Ipod Shuffle and I like it. For the Ipod shuffle it was necessary to update my Itunes, which I've been always denying. Now the computer runs very slow and even Skype and Mail OS don't open at all anymore. It's pretty annoying -- please help me.
Thanks!

Welcome to Apple Discussions!
Well it is possible that's why it wants to update iTunes. There may be a bug in the iTunes version you have installed that slows your machine if you connect the new iPod shuffle. Regardless, my advice:
1. Dismount and disconnect the iPod.
2. Determine if the slowness exists without the iPod.
- a. If it does not exist without the iPod, perhaps your USB cable is faulty, or the iPod is faulty. Try a different cable, also try connecting it via a different USB port, and try connecting only Apple devices via USB. If none of the above works to stave off the slowness, the iPod is likely the culprit, and you should use the store return period to get a replacement iPod.
- b. If the slowness exists without the iPod, see if you installed anything along with the iPod, if you can remove it. First see if the disk is too full*:
http://www.macmaps.com/diskfull.html
Or if permissions or the directory are damaged*:
http://www.macmaps.com/directoryfaq.html
If neither appears to be the case, see my user tip about downgrading:
http://discussions.apple.com/thread.jspa?threadID=1308817&tstart=0
The same holds true for uninstalling system level software, assuming you did install something new with the iPod.
If you didn't install anything new with the iPod, it may be time, to consider upgrading to the latest iTunes, keeping my FAQ* in mind about backing up first:
http://www.macmaps.com/backup.html
- * Links to my pages may give me compensation.

New iTunes update corrupts ipod and BSOD on win7 laptop

I upgraded my iTunes this week. I bought some songs this morning. I then connected my ipod to transfer them. My ipod corrupted. Windows then crashed and on startup, the Blue Screen of Death then appeared. This is incredibly annoying and I regret not using amazon mp3.

meh. i am tired of itunes. there is my solution. uninstalling it once and for all, as it is a memory hog and has always given me problems when i update it, and so forth. never had these kinds of issues with it, but i need my music and need to be able to listen to it, so that's my solution. thanks.

HT1926 Trying to download itunes update on my computer windows Xp... Tried 3 times and keep getting an error: invalid signature/will not be installed. HELP

iTunes is downloaded, been using it for years. I went to download an update and I keep getting an error.Error message is: invalid signature/will not install.
I did try to update manually as instructed however that also came with the same error.
If someone can advise it would be greatly appreciated.
So what is an invalid signature and how to fix it???

I would think the link doesn't work now as we are on version 10.7.
If you go to:
http://support.apple.com/downloads
the latest update for itunes is in the left hand column. If you follow the rest of the instructions from wiclee/fimeck it should work.
"Select "Save" instead of "Run". Once downloaded, right click the iTunesSetup.exe or iTunesSetup64.exe and select 'Run as Administrator' to install." (or use default)

Itunes update corrupted my computer

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