Itunes wont install, 'error occurred before installation' Tried everything, help!

ok I tried to avoid asking and fix it myself but it just wont work.
I've fully uninstall all parts of itunes, just like it says in the support site here, and in the correct order
I've deleted every bonjour, apple and ipod folder (and/or anything to do with apple) from my computer
restarted
failed
downloaded from internet explorer
failed
I don't know what I'm doing wrong and I'm at my wits end

Turingtest2's notes on Troubleshooting issues with iTunes for Windows updates cover just about all the possible options and steps for cleaning up a prior iTunes installation before trying to install a new version. You'll also find links to current and recent versions of iTunes - if you have no success with the current release (12.1.1.4) it may be worth trying the alternative "for older video cards" installer, or rolling back to a previous release.

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Hello, when trying to insatll itunes on my windows7 pc, I keep getting error occured before installation of itunes was configured. No mdifications have been made to your computer...itunes

Hello, when trying to insatll itunes on my windows7 pc, I keep getting error occured before installation of itunes was configured. No mdifications have been made to your computer...

Hey AJS4862,
Thanks for the question. If I understand correctly, you are having trouble installing iTunes on Windows. I would recommend that you read this article, it may be able to help you isolate or resolve the issue.
Issues installing iTunes for Windows - Apple Support
Thanks for using Apple Support Communities.
Have a great day,
Mario

ITunes 11.1 - "Error occurred during installation"

Right. So, I updated my iPod to iOS 7, same as most everybody here and attempted to sync to my iTunes. However, I recieved a message saying that iTunes needed to be updated to 11.1 before I could even do that again. Simple enough, clicked on the "Search updates" under help, and set everything to install. When I got to the iTunes portion, however, everything closed out mid-updated. The window said "Installation Completed", but read that an error had occurred during installation. I tried to sync again, sure enough, no change.
So, I checked around the internet for answers. Saw a common reccomendation to uninstall the current iTunes and install a download directly from the website. So, I followed suit with the same procedure--and, sure enough, I recieved the exact same error.
I've tried to restart the computer and perform the install, scanned for any system errors, shut down and booted back up, used a secondary username, but nothing doing. Mind you, I'm not about to accept that I'm locked out of some of the most basic functions of something i paid two hundred and fifty dollars for. So, what needs to be done to fix this?

Hello there, LandersmanIV.
Properly uninstalling and reinstalling iTunes can be a tricky venture. I would recommend reviewing the following Knowledge Base article for guidance:
Removing and Reinstalling iTunes and other software components for Windows XP
http://support.apple.com/kb/HT1925
If you're on Windows 7/8 there is a referral link at the beginning that you can click to follow.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro D.

Itunes wont install error 7

one morning i turned on my computer and went to itunes this appeared....
"C:\Program Files\Apple\Apple Application Support\CoreAudio Toolbox.dll is either not designed to run on windows or it contains an error. Ty installing the programs again using the original installation media or contact your system administrator or the software vendor for support"
then a second box that reads:
"iTunes was not installed correctly. Please re-install iTunes.
Error 7 (Windows error 193)"
ive uninstalled it and re installed it but it keeps popping out please help he ive tried everything i can please i love itunes and i cant survive without MUSIC!!!!!

"C:\Program Files\Apple\Apple Application Support\CoreAudio Toolbox.dll is either not designed to run on windows or it contains an error. Ty installing the programs again using the original installation media or contact your system administrator or the software vendor for support"
Taken at face value, you're having trouble with an Apple Application Support program file there. (Apple Application Support is where single copies of program files used by multiple different Apple programs are kept.)
Let's try something relatively simple first. Restart the PC. Now head into your Uninstall a program control panel, select "Apple Application Support" and then click "Repair".
If no joy after that, try the more rigorous uninstall/reinstall procedure from the following post:
Re: I recently updated to vista service pack 2 and I updated to itunes 10.2.1 and ever since I did that my itunes won't open any more. Itunes starts but before anything loads a window pops up saying that the prograam has encountered a problem and sh...

HT1923 My iPod touch 2nd gen couldn't sync with itunes an unknown error occured then I tried shutting it off and now it won't turn on or off

I have an iPod touch 2nd gen When I plug it into the computer it says iPod can not sync because of an uniknown Error 0XE8000065. I tried turning it off but it seems frozen on a black screen. Now it won't turn on or off.

Hold both Home and Sleep button for around 10secs until you see the Apple logo then release.

Itunes wont open on my laptop? tried everything!

i've tried uninstalling and reinstalling .. the support help on here and i cant find anything that will open my itunes, no message shows.. just nothing happens! help?

update sorry:
Go to control panel "Uninstall a program" and remove:
    iTunes
    QuickTime
    Apple Software Update
    Apple Mobile Device Support
    Bonjour
    Apple Application Support (iTunes 9 or later)
After you have uninstalled all the items listed above go to start menu and click the computer link then open your c drive. After opening the c drive click "organize" on the upper left hand corner and select "folder and search options" then select the "view" tab. Then select the "Show hidden files and folders" and click the apply button and select ok and close.
Open your c drive and open the "users" file and then open the folder containg your selected computer name. After the file opens select the "app data" folder and then the "local" folder and right click and delete all Apple folders you see (itunes, quick time etc) note: these will be replaced upon re instillation. Then open the "temp" file and remove and delete all apple files that may be in the temp file as you did in your "local" folder.
Then download itunes 9 from oldapps.com/itunes and install. Once installed you can open itunes and update from there

ITunes wont install, error 1628!!

ummm, ive read a few of the same questions as i have but havent really gotten an answer. i have recently purchased a ipod nano and everything was going fine. i tried to update itunes after this and was successful. i see that others had the same problem after this(lisence agreement flashes then disappears and doesnt open itunes) and did the same as me, unistall and remove anything to do with itunes and quicktime. now i tried reinstalling itunes from the ipod CD and an error "1628" appeared and stated that it was unable to comeplete the installation. i used search to find anyything to do with itunes and deleted it all, except for 3 files. they are in different locations on my hard drive but have the same name and are not possible to delete because their location cannot be found. ive tried reinstalling the ipod software after deleting all the other files in the search program and still the error 1628 appears. i beleive its because of these three files but i cant delete them... HELP!!!

hi yu!
i see that others had the same problem after this(lisence agreement flashes then disappears and doesnt open itunes)
yuck. if you were getting those symptoms (and no error messages whatsoever) we'd better check on a nasty malware problem that has been going around. see:
http://discussions.apple.com/message.jspa?messageID=1163419#1163419
... and for the MSCONFIG trick referred to earlier in that thread, see:
http://docs.info.apple.com/article.html?artnum=302538
(because you don't have itunes installed, you're actually using MSCONFIG to check for weird start-up items that don't turn up any hits when you do a google on them ... the names are randomly generated.)
keep us posted.
love, b

I updated my iphone 5 through Itunes but an error occurred during installation on the phone that read -42110. Now the phone has a usb icon and itunes icon and is not recognized by itunes or my computer (windows 7). I uninstalled and reinstalled. no luck

I attempted to update my iphone 5 through itunes. Itunes backed up the phone. However, when it tried to install the updated software an error message displayed -42110. Now the iphone is unresponsive with a usb icon with an arrow pointing to an itunes icon. The computer makes a connection noise when I hook the phone to the computer but it does not appear to be recognized. It does not appear in the My Computer section. Itunes does not recognize it either. I disabled my security software. I uninstalled itunes, Bonjour, Quick time, apple updates, Aplle mobile updates ect. I reinstalled Itunes and the program still does not recognize the phone.

If you uninstalled and reinstalled iTunes, did you follow the steps in this support document http://support.apple.com/kb/HT1923 exactly. Check and make sure. If you did, then try this support document to get the phone into the Recovery mode. It may take more than one try. http://support.apple.com/kb/HT1808

HELP! ITUNES WONT INSTALL (Error 7/Windows Error 127)

Help! I keep getting Error 7 (Windows Error 127) when I try to install Itunes on my laptop. I read that this error is caused by problems with Apple Application Support. I'm using Windows Vista (32 Bit version) Can anyone please help me fix this??

Follow these instructions to completely remove Apple software
http://support.apple.com/kb/HT1923
Then use free Ccleaner to repeatly repair your registry until it's fixed.
http://www.piriform.com/ccleaner/download/standard
download iTunes again from Apple.
Your content will remain.

ITunes 7 won't launch. Unkown error occurred (-200). Tried everything

I tried the fixes posted here. No help. I can not launch iTunes or use the store to download.
QuickTime says "Overrun buffer detected" it doesn't run either since I updated. I changed settings but the old program won't access iTunes library because "it was installed by a newer version ot iTunes."
Frustrating, frustrating, really, really frustrating.
HELP

I tried the fixes posted here. No help. I can not launch iTunes or use the store to download.
QuickTime says "Overrun buffer detected" it doesn't run either since I updated. I changed settings but the old program won't access iTunes library because "it was installed by a newer version ot iTunes."
Frustrating, frustrating, really, really frustrating.
HELP

ITunes wont install using update or manual download! HELP!

having major problems with my iTunes. i currently have 16 videos trying to download and i keep getting error messages everytime. contacted iTunes support and they said i needed to update to the latest version of iTunes. When i then told them that it won't let me they suggested downloading onto a different system! hugely useful! the problem i am getting with updating iTunes is that if i use the Apple Update it comes up with an error saying "failed to install try downloading manually" so i do! download the installer files manually and then double click on it as usual. the installer check comes up and i click on run. then nothing happens! the run box dissapears but nothing installs and nothing else comes up in its place! highly annoying as you can imagine! anybody any ideas on how to fix this so i can finally watch my 16 shows!

the fix microsoft suggested didnt work. the windows installer comes up fine:
Windows ® Installer. V 3.01.4001.5512
msiexec /Option <Required Parameter> [Optional Parameter]
Install Options
</package | /i> <Product.msi>
Installs or configures a product
/a <Product.msi>
Administrative install - Installs a product on the network
/j<u|m> <Product.msi> [/t <Transform List>] [/g <Language ID>]
Advertises a product - m to all users, u to current user
</uninstall | /x> <Product.msi | ProductCode>
Uninstalls the product
Display Options
/quiet
Quiet mode, no user interaction
/passive
Unattended mode - progress bar only
/q[n|b|r|f]
Sets user interface level
n - No UI
b - Basic UI
r - Reduced UI
f - Full UI (default)
/help
Help information
Restart Options
/norestart
Do not restart after the installation is complete
/promptrestart
Prompts the user for restart if necessary
/forcerestart
Always restart the computer after installation
Logging Options
/l[i|w|e|a|r|u|c|m|o|p|v|x|+|!|*] <LogFile>
i - Status messages
w - Nonfatal warnings
e - All error messages
a - Start up of actions
r - Action-specific records
u - User requests
c - Initial UI parameters
m - Out-of-memory or fatal exit information
o - Out-of-disk-space messages
p - Terminal properties
v - Verbose output
x - Extra debugging information
+ - Append to existing log file
! - Flush each line to the log
* - Log all information, except for v and x options
/log <LogFile>
Equivalent of /l* <LogFile>
Update Options
/update <Update1.msp>[;Update2.msp]
Applies update(s)
/uninstall <PatchCodeGuid>[;Update2.msp] /package <Product.msi | ProductCode>
Remove update(s) for a product
Repair Options
/f[p|e|c|m|s|o|d|a|u|v] <Product.msi | ProductCode>
Repairs a product
p - only if file is missing
o - if file is missing or an older version is installed (default)
e - if file is missing or an equal or older version is installed
d - if file is missing or a different version is installed
c - if file is missing or checksum does not match the calculated value
a - forces all files to be reinstalled
u - all required user-specific registry entries (default)
m - all required computer-specific registry entries (default)
s - all existing shortcuts (default)
v - runs from source and recaches local package
Setting Public Properties
[PROPERTY=PropertyValue]
Consult the Windows ® Installer SDK for additional documentation on the
command line syntax.
Copyright © Microsoft Corporation. All rights reserved.
Portions of this software are based in part on the work of the Independent JPEG Group.

Itunes wont install update recent upgrade

Hi there.
Upon purchasing my ipod photo, I installed itunes from the CD. Then upgraded to version 6.0.1.3. For many months the itunes ran smoothly, and trouble free.
Yesterday I downloaded 6.0.4.2. Virus scanned the .exe file and installed the update. Errors were recreated during the installation, resulting in the standard windows error occurring before installation was complete.
Therefore I unstalled the update, and restalled update again - still no good.
I assumpted the update was corrupted upon download, so i re-downloaded the file again, and install the file, with the same problem occurring again.
I have also tried installed the older version 6.0.1.3. Installation now fails with the old version which use to work beforehand.
Upon installing the orginal CD software, the error still occurs.
I have unstalled, both quicktime, and the ipod with itunes in an attempted to solve this problem. I'm stoked.
Please help. Remember I'm running XP64 pro.
Buckle
AMD 64 3500+ Other OS XP64 Pro

hmmmm. that's not the classic error message i expect in this context. but we'd better still check on the x64/Windows-Update-KB908531/QT issue. for some more information on troubleshooting that one see the following thread:
http://discussions.apple.com/click.jspa?searchID=-1&messageID=2416229
love, b

Trying to install iTunes and get this error: "The installer encountered errors before iTunes could be configured   Errors occurred during installation. Your system has not been modified"

HELP!!!
I am trying to install iTunes on my Windows 7 laptop and get this error:
"The installer encountered errors before iTunes could be configured   Errors occurred during installation. Your system has not been modified"
Arghhhhh!! I've tried different browsers and various other things suggested on other posts to no avail

Ok people, I think I have found the solution !
If you click on the start button from your desktop screen.
Then in the "search programs and files" field type : apple software update - you can find the apple installer.
Click on the apple software update line and let the machine run it's course. I recommend updating whatever it wants to , ie: safari 5, quicktime, itunes....
I then restarted my computer and it seems to be working now !
Good luck everyone !

When trying to download iTunes, I get an error message saying "the instaler encountered errors before iTunes could be configured. Errors occured during installation." But it gives me no more information as to what I can do. Help please?

When trying to download iTunes, I get an error message saying "the instaler encountered errors before iTunes could be configured. Errors occured during installation." But it gives me no more information as to what I can do. Help please?

Also I now can`t access any of my itunes library and am concerned that if I remove it from my computer I will lose everything as I have no option of accessing and therefore backing anything up. Any ideas?

What do I do when I am trying to install my new version of itunes, and it says this: The installer encountered errors before iTunes could be configured. Errors occurred during installation. Your system has not been modified.

What do I do when I am trying to install my new version of itunes, and it says this: The installer encountered errors before iTunes could be configured. Errors occurred during installation. Your system has not been modified.

I had this, and after a large number of fruitless attempts, I had to reload Windows, which solved it. This was of course a real pain, but I had to do it since updating iTunes was necessary in order to get the new iOS version. But before doing such a drastic thing, you could try to restore Windows to a previous point in time by picking a restore point. This of course presumes that you really have some issues with your Windows (which I had) and that you can make a decent guess on when the system was ok (which I couldn't), i.e that you can decide a good date to restore to.

Itunes wont install, 'error occurred before installation' Tried everything, help!

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