ITunes install fail - Apple Mobile Device Support not installing - Windows 8

So I have a Windows 8 Pro system, and I've had to reinstall iTunes. Anyway I've been completely unable to do so. It simply either gets an error and does not install (where does itunes store its installer log files so I can see whats happening?) at all or it gets to the part where its starting up services and it fails when its trying to install and start the Apple Mobile Device Support service and so when I start iTunes I get an error message like this one:
"This iPad cannot be used because the required software is not installed. Run the itunes installer to remove itunes, then install the 64bit version of itunes"
I've tried several times to uninstall and manually delete all the files related to itunes, but this has made no impact.
I have no idea what to do. Reinstalling my OS and all the apps just to get iTunes back really isn't something i want to do.

All sorted now. Sorry b noir, but I cannot remember the error. What I did was use the idea from another thread to copy the necessary files from one computer to another. Fortunately I have a laptop on 8 so updated iTunes and coppied all the files from the /Program Files (x86)/Common Files/Apple/Mobile Device Support. I then downloaded 2 programs to make the necessary registry entries. This did not fully work so I searched the laptop registry for the version number of Mobile Device Support and then put it into the same desktop registry key. This worked as I was now at the correct version.

Similar Messages

Why does AMDS (apple mobile device support) not install?

I run iTunes on a new (3 months old) Windows 7 PC using version 10.6 (64-bit) of iTunes. I have been using iTunes for many years (or various machines) without any problems. Recently iTunes stopped working correctly.... I got numerous error messages when loading the software, and could not sync any of my devices. I went through every tutorial/help/troubleshooting I could find and nothing worked. I had to restort to the "last resort" option of completely removing iTunes (which I did by carefully following all of the steps in the Apple Support) and reinstall iTunes. After reinstalling and pluggin my iPhone or iPod Touch I get a message saying, "This iPhone/iPod cannot be used because the required software is not installed. Run the iTunes installer to remove iTunes, then install the 64-bit version of iTunes."
Again, I went through every tutorial/help/support/troubleshooting option and discovered that AMDS (apple mobile device support) is missing. None of the support articles addresses this issue (only how to turn it on, locate files on your computer, etc.) but I tried them all anyway. Nothing worked. I removed an reinstalled iTunes 3 more times. No change. AMDS is still not there. It does not even exist on my system anywhere. It doesn't seem to be downloading at all. I contacted customer support and was just given links to all of the troubleshooting articles I had already tried.
I have spent many hours on this and I'm getting no where. Please help!

Let's try a standalone Apple Mobile Device Support install. It still might not install, but fingers crossed any error messages will give us a better idea of the underlying cause of why it's not installing under normal conditions.
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:
http://www.rarlab.com/
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 AppleMobileDeviceSupport.msi (or AppleMobileDeviceSupport64.msi) to do a standalone AMDS install.
(If it offers you the choice to remove or repair, choose "Remove", and if the uninstall goes through successfully, see if you can reinstall by doubleclicking the AppleMobileDeviceSupport.msi again.)
Does it install (or uninstall and then reinstall) properly for you?
If instead you get an error message during the install (or uninstall), let us know what it says. (Precise text, please.)

Apple Mobile Device Support not installing on 7 x64

Ok. I installed the latest iTunes, but for some reason it keeps failing to install Apple Mobile Device Support. I am on Windows 7 x64. Any suggestions? I've tried uninstalling and reinstalling, uninstalling every bit of Apple software from my computer, and uninstalling and reinstalling the iPods drivers.

I have this same question. I have been working on this for hours. Apple Mobile Device Support no longer appears in my program file so I cannot repair or uninstall it when I do a complete uninstall and reinstall. I have even extracted the Apple Mobile Device Support file from the iTunes .exe and it still won't install.
I have made sure that Windows Installer service is running. I have turned off my security program. I tried to use an old Apple Mobile Device Support file but iTunes rejects it. It does appear under services though and is running.
Any suggestions?

Apple Mobile Device Suppurt not installing with iTunes 10.6.3

Hey guys, any help with this would be much appreciated., I had an issue a couple of days ago where I couldn't reinstall the latest itunes (10.6.3) I have now managed to install this current version but with one major problem, Apple Mobile Device Support didn't install with it. I tried everything, I've tried uninstalling itunes and reinstalling it again with and without the anti virus turned on, I've tried a system restore, I've tried using an old version of Apple Mobile Device Support, and still nothing.
My itunes keeps saying this whenever I plug in my iPad, "This iPad cannot be used because the required software is not installed. Run the itunes installer to remove itunes, then install the 64bit version of itunes" I've done that, it didn't work, however, itunes has managed to install successfully on my desktop pc, which is Windows XP, with apple mobile device support, but the machine I'm having trouble installing itunes with Apple Mobile Device Support on is my Laptop which is running Windows 7. I doubt this is a problem with my laptop, the system restore I did confirmed that, and the issue only returned when I tried reinstalling the latest itunes.
Is this problem with Apple Mobile Device Support not installing with the latest itunes a bug? i hope so, because I've read up ways to solve this problem but alot of it gets too technical and I'm not the most technical person when it comes to computers and all that.
Is anyone else having similar problems, if so, how did you solve it?
Thanks, hoping to hear back soon

I've also read somewhere about using Win Rar to extract files to do with apple mobile device support from the itunes installer file, would you recommend that to? I don't really fancy the idea of doing anything that involves my registry because knowing me I'll end up screwing my laptop up for good lol
It's a little more involved than just doing a standalone AppleMobileDeviceSupport64.msi install, I'm afraid. The relevant drivers in AMDS are not digitally signed for 64-bit XP, so you have to force XP to accept a driver install that it would try its damnedest to not do. There's no driver issues for other 64-bit componentry in the installer package (I think the GEAR drivers install on XP 64-bit systems), but I believe there's still a bit of fancy footwork involved in getting them installed too ... although it's been a long time since I've looked at an instruction set, and I might not be recalling those things correctly. (So if you're not comfortable with system modifications, it might be best to steer clear of the Orca-based techniques ...)

My iTunes installation via Windows 7 does not install the Apple Mobile Device Support file

I have followed several suggestions to resolve the problem caused because of my update of iTunes does not install the Apple Mobile Device Support folder, thus making it impossible for me to sync my iPhone 4S to my desktop version of iTunes. I have tried to install the AppleMobileDeviceSupport.msi file and it almost completes the installation before "rolling back" the entire process and giving me a message that there was a problem with the installation. Has anyone been able to solve this problem. I use Windows 7. I have seem some :"solutions" that seem to work for some people, but not for me, and evidently not for many others? Finally, would it matter if I installed Safari on my desktop and tried to install iTunes using Safari?

Let's try a standalone Apple Mobile Device Support install. It still might not install, but fingers crossed any error messages will give us a better idea of the underlying cause of why it's not installing under normal conditions.
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:
http://www.rarlab.com/
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 AppleMobileDeviceSupport.msi (or AppleMobileDeviceSupport64.msi) to do a standalone AMDS install.
(If it offers you the choice to remove or repair, choose "Remove", and if the uninstall goes through successfully, see if you can reinstall by doubleclicking the AppleMobileDeviceSupport.msi again.)
Does it install (or uninstall and then reinstall) properly for you? If so, can you get a normal iTunes install to go through properly now?
If instead you get an error message during the install (or uninstall), let us know what it says. (Precise text, please.)

Hello after updating to the new iTunes i got a box saying that i needed a new version of Apple Mobile Device Support and ihat i should uninstall iTunes and Apple Mobile Device Support then install iTunes again. I have been unable to uninstall itunes

Hello- after updating to the new iTunes i got a box saying that i needed a new version of Apple Mobile Device Support and ihat i should uninstall iTunes and Apple Mobile Device Support then install iTunes again. Problem is I have been unable to uninstall itunes, can't find the installation files .msi. I'm using Windows XP.
Help!

Problem is I have been unable to uninstall itunes, can't find the installation files .msi.
(1) Download the Windows Installer CleanUp utility installer file (msicuu2.exe) from the following Major Geeks page (use one of the links under the "DOWNLOAD LOCATIONS" thingy on the Major Geeks page):
http://majorgeeks.com/download.php?det=4459
(2) Doubleclick the msicuu2.exe file and follow the prompts to install the Windows Installer CleanUp utility. (If you're on a Windows Vista or Windows 7 system and you get a Code 800A0046 error message when doubleclicking the msicuu2.exe file, try instead right-clicking on the msicuu2.exe file and selecting "Run as administrator".)
(3) In your Start menu click All Programs and then click Windows Install Clean Up. The Windows Installer CleanUp utility window appears, listing software that is currently installed on your computer.
(4) In the list of programs that appears in CleanUp, select any iTunes entries and click "Remove", as per the following screenshot:
(5) Quit out of CleanUp, restart the PC and try another iTunes install. Does it go through properly this time?

TS1567 ok I just downloaded itunes to my PC and connected my iphone and its asking to download apple mobile device support then instal itunes..

ok i just downloaded itunes to my PC and connected my iphone and its asking to download apple mobile devices support then install itunes ....what do i do please help meee

Sounds like your file really is downloading but you just don't know it. Check your Downloads folder to see if it's there (and give it enough time to complete!). You will get the "thank you for downloading" page even though the file is just beginning to download.
If iTunes still isn't downloading, then clear your browser's cache and and try downloading again.

Why does my Apple Mobile Device Support not uninstall?

Why does my Apple Mobile Device Support not uninstall from the Control Panel? It appears that my unsuccessful iTunes install requires that I clean up ALL Apple software,before trying again.

Let's try a standalone Apple Mobile Device Support install. It still might not install, but fingers crossed any error messages will give us a better idea of the underlying cause of why it's not installing under normal conditions.
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:
http://www.rarlab.com/
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 AppleMobileDeviceSupport.msi (or AppleMobileDeviceSupport64.msi) to do a standalone AMDS install.
(If it offers you the choice to remove or repair, choose "Remove", and if the uninstall goes through successfully, see if you can reinstall by doubleclicking the AppleMobileDeviceSupport.msi again.)
Does it install (or uninstall and then reinstall) properly for you?
If instead you get an error message during the install (or uninstall), let us know what it says. (Precise text, please.)

My iphone 3 will not sync with itunes - it says Apple mobile device is not started, also does it with ipad - any ideas?? thanksple mobile device is not starte

my iphone 3 will not sync with itunes, it says Apple mobile device is not started, also doing it with ipad - can anyone help??? thanks

Restart your computer. Run iTunes and check for updates. If there is a later version of iTunes available, download and install it. Then try again. If you still cannot see your iPad listed in iTunes make a list of all the things you have tried so that we can see exactly what steps you have taken.

Apple mobile device will not install on my computer (hp pavilion g7-1237 dx Notebook PC). Can someone please help me?

Apple mobile device will not install on my computer (hp pavilion g7-1237 dx Notebook PC). Can someone please help me?

When you see a beachball cursor or the slowness is especially bad, note the exact time: hour, minute, second.
These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
The title of the Console window should be All Messages. If it isn't, select
          SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar at the top of the screen.
Each message in the log begins with the date and time when it was entered. Scroll back to the time you noted above.
Select the messages entered from then until the end of the episode, or until they start to repeat, whichever comes first.
Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of it useless for solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Some private information, such as your name, may appear in the log. Anonymize before posting.

ITunes 10.2 Upgrade fix temporary. Fix to iTunes 10.2.2 by uninstall Apple Mobile Device Support and install AMDS from 10.0. Worked only to fail in 5 days. iTunes back to very slow to open and will not see device (iPhone) connected. Sorry

I was one this site for 20+ Days and found a fix for 10.2.1 when it failed. I Uninstalled all, following other attempts that failed, then installed latest Version from Apple iTunes 10.2.12. I then uninstalled Apple Mobile Device Support (AMDS) and installed AMDS from the older 10.0 version of iTunes. Success it worked. Today, I am now back to old problem, iTnes takes very long time to open and fails to see my device when connected (iPhone). I really only have iTunes for my iPhone no extensive library a few hundred CD's in music location and no podcasts. I have less than 6 moveis and want to update them now. I am willing to lose all in iTunes library if need be just to get computer to see G3 iPhone with iOS 4.2 and let me synch once again. I like security of backup too. It older iTunes may now not support, that too is OK. I still want to get the 3GS (no 4G desires, yet) and do not care if any of it is the latest from Apple as long as it works.

Hi Erik,
Your basic suggestion actually worked for me. But this is what I did for others who are having issues removing/installing etc.
1. Download the latest iTunes 8.2. You should end up with a file iTunesSetup.
2. If you dont already have WinRAR, download free copy from http://www.rarlab.com/ and install.
3. Right click on iTunesSetup and choose "Extract" to somewhere you know. eg C:\itunetemp
4. Open up folder where you extracted iTunesSetup and double-click applemobiledevicesupport.msi
5. It should ask you if you want to repair or remove... choose remove.
6. REBOOT your PC.
7. Go back to where you extracted iTunesSetup and double-click applemobiledevicesupport.msi and go through the install.
8. Plug in your iPhone.
If all is well iTunes should automatically start and start syncing your iPhone.
Goodluck all!
Cheers.

ITunes 8.2 Apple Mobile Device Support does not install

I am unable to complete the full 8.2 install on my machine - the AMDS component fails to install, although the rest of the packages go in successfully. Unfortunately, without AMDS, I can't sync' my iPhone 3G, nor my iPod.
Having broken out the AMDS package from the 8.2 installer .exe, and tried to run it separately from the command line with logging enabled, the error appears to occur while trying to install the USB drivers themselves - the relevant lines are inserted here:
DIFXAPP: INFO: ENTER: DriverPackageInstallW
DIFXAPP: INFO: Installing INF file 'C:\Program Files\Common Files\Apple\Mobile Device Support\Drivers\usbaapl64.inf' (Plug and Play).
DIFXAPP: INFO: Could not open file C:\Windows\System32\DriverStore\FileRepository\usbaapl64.infamd64_neutralb6bcda7a7950fa43\usbaapl64.inf. (Error code 0xE0000003: The syntax of the INF is invalid.)
DIFXAPP: ERROR: PnP Install failed. (Error code 0x3EE: The volume for a file has been externally altered so that the opened file is no longer valid.)
DIFXAPP: INFO: Attempting to rollback ...
DIFXAPP: INFO: No devices to rollback
DIFXAPP: INFO: RETURN: DriverPackageInstallW (0x3EE)
DIFXAPP: ERROR: encountered while installing driver package 'C:\Program Files\Common Files\Apple\Mobile Device Support\Drivers\usbaapl64.inf'
DIFXAPP: ERROR: InstallDriverPackages failed with error 0x3EE
DIFXAPP: RETURN: InstallDriverPackages() 1006 (0x3EE)
CustomAction MsiInstallDrivers returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox)
Action ended 21:16:25: InstallFinalize. Return value 3.
Action 21:16:25: Rollback. Rolling back action:
Rollback: MsiInstallDrivers
Rollback: MsiRollbackInstall
I'm unable to break open the .msi fully because it is apparently 'corrupt', although that doesn't seem to stop Windows having a go. That said, the little that I can peer into it, the relevant .INF file mentioned in the log appears to be zero length.
Backing out the full install and downgrading to 8.1.1 seems to work fine, except that now MobileMe won't work because it's keyed to iTunes 8.2!!
Has anyone else seen this problem? Has anyone else got a valid AMDS .msi file I can try?!
Thanks,
ANdy

Maybe a little bit of forum necromancy going on here, but I thought it was worth posting for W7 RC users. aclc's post got me thinking about this tonight when I had issues updating my iTunes, and after some hard work investigating the issue, I figured out what has to happen. Basically aclc is exactly right with the root of the issue - I'm simply expanding the idea to involve instructions for those who can't afford to or won't be bothered with finding out the details of the solution.
Please note that these instructions were written assuming you are using an administrator-level account on a 64-bit Windows 7 Release Client installation, but should help 32-bit users if they have the same experience - I have not tried this solution on a 32-bit box. This fix has been administered using iTunes 9, so I have personally verified this will work with that version of iTunes.
iTunes 9 issue: iTunes requesting that you uninstall and reinstall for Apple Mobile Support after trying to install iTunes 9 on Windows 7 RC x64
Resolution:
By now you've already gone through the failed install on Apple Software Update, and may or may not have manually downloaded iTunes...I'm going to start from the beginning for the benefit of anyone who doesn't want to waste the hour and a half that I did to figure this one out (actually i detoured to read up on a few things for most of that time to feed my inner nerd, but I digress). Plus, this should help with retail Windows 7 users (provided Apple and MS haven't worked this out amongst themselves).
1 - TURN OFF UAC
a) Hit Windows Key + R to open the Run command box, type "msconfig", and hit enter or click OK.
b) Go to the Tools tab, highlight Change UAC Settings and click the Launch button.
c) Move the slider all the way down to the bottom to turn off UAC.
d) Reboot your PC for the changes to UAC to take effect.
2 - INSTALL iTUNES AND APPLE MOBILE SUPPORT THE RIGHT WAY (A.K.A. NOT LIKE THE INSTALLER TRIES TO)
a) In Apple Software Update, go to Tools | Open Downloaded Updates Folder... (if already downloaded and the installation has failed)
-or-
Use the Download and Install Manually feature of the Tools menu (if you have not already tried to install via Apple Software Update)
b) Locate the iTunes installer and the Apple Mobile Software Update installer. For me they were called:
iTunes64.msi
AppleMobileDeviceSupport64.msi
c) Right-click one of the files identified in 2a. Select Properties, and go to the Compatibility tab. Check the "Run this program in compatibility mode for:" box and select "Previous Versions of Windows". Click Apply. Repeat for the other file in Step 2a.
d) Run the Apple Mobile Device Support installer identified in 2a. With UAC and compatibility mode both turned off, you should have a clean install.
e) IF YOU HAVE ALREADY INSTALLED iTUNES AND GOTTEN THE MESSAGE THAT YOUR MOBILE DEVICE SUPPORT IS NOT COMPATIBLE, DON'T PANIC - HERE'S THE FIX: Right-click the iTunes installer identified in 2a and select Repair. You should see a progress bar but will not have to go through a full install. Voila! Open iTunes, plug in your iPhone, and you should be good to go.
IF YOU HAVE NOT YET ATTEMPTED TO INSTALL iTUNES, simply run the installer for iTunes identified in 2a.
There you have it - this should do it for you and save someone the aggravation of figuring this out on their own.
Don't forget to turn UAC back on if you need/want it on.
Hope this helps!!
~NB
PnT forever.
Message was edited by: Nightborne

Latest iTunes update Apple Mobile device will not install

Having a lot issues with trying to get AMDS to install after installing the iItune update, as such unless this can be installed itunes will not recognise my iphone.
This problem all started when I installed the latest update, everthing installed except apple mobile device, error message was " service apple mobile device failed to start verify that you have sufficent privileges to start system services. Have tried nurmerous uninstalls and reinstalls still no luck. Tried the advice on restarting according to apple support but the problem is that AMDS is no where to be seen in the "services" to try and restart it. Tried individual install using itunessetup.exe through Winrar (applemobiledevice.msi) still no luck, the installer goes throught intially but then it "rolls back" and states an error has occured and it can't install it.
Running out of idea's and from looking at the threads there seems to be alot of people with the same problem, but no fixes as yet, is there anyone out there that can sort this issue, as it would be much appreciated.

I am Having Exactly the problems running win 7 I have installed / uninstalled rebooted clead reg the lot 5 times as ****. I have wasted many hours on this.

Apple Mobile Device will not install after latest itunes update!!

Having a lot issues with trying to get AMDS to install after installing the iItune update, as such unless this can be installed itunes will not recognise my iphone.
This problem all started when I installed the latest update, everthing installed except apple mobile device, error message was " service apple mobile device failed to start verify that you have sufficent privileges to start system services. Have tried nurmerous uninstalls and reinstalls still no luck. Tried the advice on restarting according to apple support but the problem is that AMDS is no where to be seen in the "services" to try and restart it (you can't start it if it is not installed). Tried individual install using itunessetup.exe through Winrar (applemobiledevice.msi) still no luck, the installer goes through intially but then it "rolls back" and states an error has occured and it can't install it.
Running out of idea's and from looking at the threads there seems to be alot of people with the same problem, but no fixes as yet, is there anyone out there that can sort this issue, as it would be much appreciated.
Running Windows 7

I am Having Exactly the problems running win 7 I have installed / uninstalled rebooted clead reg the lot 5 times as ****. I have wasted many hours on this.

I've been trying to install itunes on windows 7 but apple mobile device will not install

I've finally managed to narrow the problem down to the following file:
C:\Users\xxxxx\AppData\Local\Temp\Rar$DIa0.119\AppleMobileDeviceSupport64.msi: The archive is corrupt
this is the file delivered with itunes and it's definitely causing the problem because when I try to install one I downloaded from
http://www.javakrypt.com/itunes/
it installed ok, however when I try to run itunes the amd driver is installed the ipod connects but itunes has a version issue with the AMD driver and asks for a reinstallation of itunes.
My question to apple is where can I download an incorrupted AppleMobileDeviceSupport64.msi file for the latest release of itunes, and can you pleas everify that the version you are deploying with the current version is not corrupted.(The first file I see when I extract the MSI file has a random character file name with no modified date and a size of 16640. WInrar refuses to extract any files from the msi file.
I believe many people are having this problem and if they can get this file it may their problem as well.

OK I've fixed the problem and my thanks go to redmars.com.au (link below plus copy of solution)
http://www.redmars.com.au/blog/itsupport/327
To summarise what I did I
0. the pnputil -e uninstallation didn't work for me so
1. modified the permissions on the C:\Windows\System32\DriverStore\FileRepository\netaapl64.inf_amd64_neutral_hexidecidforyourcomputer folder so that I could access it
2. I deleted the files in this folder
3. Retried the install from command line with log file enabled but it still rolled back, but in the log file I noted it wasn't finding the netaapI64 files and when I checked the above folder these files were missing.
4. I tried copying the files from the msi file using winrar but this failed passing a file corrupted error message and files copied had a zero byte size (i.e. empty)
5. I copied the files from a friends folder who didn't have this problem files are (netaapI64.cat, netaapI64.inf, netaapI64.PNF, netaapI64.sys and wdfcoinstaller01009.dll)
6. retried the install from the command line and it worked. Started itunes connected itouch, it installed the drivers and the itouch appeared in itunes.
I can now access my ipod from itunes.
The only problem now you face now is how to get the uncorrupted files detailed above. Does anyone have a solution to this? Winrar states files are corrupted. but they obviously aren't otherwis ethe installation wouldn't work.
text for solution here follows :
I recently came across a problem on a Windows 7 64bit laptop where Apple's iTunes was failing to recognise a connected iPhone. It was giving a error that the wrong version of iTunes was installed and I should install the 64bit version of iTunes. As I had no idea how what had been performed up until this point I performed a full uninstall of iTunes. I then downloaded the latest version of iTunes 10.5.1 and ran through the installer. At one point during the install I noticed the install gave the message 'Rolling back action' and thought to myself this cannot be good.
At the end iTunes indicated it had a problem installing and I should try again. The weird thing is if you didn't pay attention to the message you could quite easily click on ok and iTunes will work except it'll fail to recognise any iPod, iPhone or iPad device. To help identify what actually failed to install I checked the windows services management console and found the Apple Mobile Device Service was missing. This makes sense because it's that service which communicates with the iPhone. The question is why was the Apple Mobile Device Service (AMDS) failing to install?
To find out I needed to capture a log file of the install process. A bit of research helped me identify that the iTunes64Setup.exe contained 5 separate windows installer files:
AppleApplicationSupport.msi
AppleMobileDeviceSupport64.msi
AppleSoftwareUpdate.msi
Bonjour64.msi
iTunes64.msi
I needed to extract AppleMobileDeviceSupport64.msi from iTunes64Setup.exe so I could generate a install log. The solution is to install WinRAR which you can download here http://rarlab.com/download.htm. After extracting AppleMobileDeviceSupport64.msi to c:\temp (you can use any folder you like here) I opened a command prompt and issued these commands:
cd c:\temp
msiexec -i AppleMobileDeviceSupport64.msi -log AMDS.log
This will attempt to install the AMDS and generate an installation log c:\temp\AMDS.log. Looking through the log I found the install failed because the format of C:\Windows\System32\DriverStore\FileRepository\netaapl64.inf_amd64_neutral_dc2c bd989eec1514\netaapl64.inf was invalid. I opened the file in question and found it to be completely blank. I coulnd't just delete the files in question because they are protected by the Windows operating system, and anyway the correct method to remove a driver package from the driver store is to use the pnputil.exe tool. However if the driver package didn't complete installation in the first place then it may not work, but it was always worth a try.
To use pnputil I needed to run a command prompt as an administrator. I Clicked Start, All Programs, and Accessories, then right-click Command Prompt, and then click Run as Administrator. From the command prompt type I typed in pnputil.exe -e. This produced a list of installed driver packages. Looking through the list I was looking for something like this:
Published name : oem30.inf Driver package provider : Apple Class : Network adapters Driver date and version : 07/12/2011 1.8.4.2 Signer name : Microsoft Windows Hardware Compatibility Publisher
This is the Apple network adapter driver. The important information here is the Published name oem30.inf. To uninstall the driver use the command pnputil -d oem30.inf (replace oem30.inf with the correct published name for your PC). After this try and the install again: msiexec -i AppleMobileDeviceSupport64.msi -log AMDS.log. If this fails or as in my case the driver package doesn't show in the list of installed drivers you'll need to take more drastic (and potentially dangerous to your PC's health!) measures.
By default the files in the driver repository are read only and can only be modified by the Windows Operating System, and this is for a good reason. I needed to change the permissions on the driver package so I could delete the corrupt files. Caution proceed at your own risk, make a mistake here and your computer may stop working and a system restore or rebuild may be required.
The first thing I needed to do was to take ownership of the folder so I could change the permissions. From windows explorer I clicked on Folder and search options under the organize button. Next I clicked the view tab and clicked on Show hidden files, folders, and drives. By unticking hide extensions for known file types and unticking Hide protected operating system files I was able to view the files I needed to remove. From the windows explorer window I browsed to browse to C:\Windows\System32\DriverStore\FileRepository\, which was now visible and right clicked the netaapl64.inf_amd64_neutral_dc2cbd989eec1514 folder and selected properties. I clicked the security tab and then the Advanced button. Under Advanced I clicked the Owner tab and then clicked the Edit button. From the change owner to: box I selected my username, and then ticked Replace owner on subcontainers and objects and clicked OK to set the changes.
Next I gave myself Full Control to the folder and files. Back on the Security tab I clicked the Edit button, and with Everyone highlighted in the Groups or user names I ticked full control in the Allow column. I clicked OK and accepted the warning message Windows presents about security and access problems. At this point I could delete the contents of the netaapl64.inf_amd64_neutral_dc2cbd989eec1514 folder.
I tried re-installing the Apple Mobile Device Service (AMDS) using msiexec -i AppleMobileDeviceSupport64.msi -log AMDS.log command and I no longer got the Rolling back action error. All that I had left to do now was install iTunes again and the iPhone was now recognized when I connected it to the PC.

ITunes install fail - Apple Mobile Device Support not installing - Windows 8

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