Q: i.m having issues with reinstalling my Itunes.it says that my apple mobile device faild to start and will not go any further

Hey there CrazyTC,

It sounds like you are unable to re install iTunes because the Apple Mobile Device service failed to start. Try restarting it with the following article:

How to restart the Apple Mobile Device Service (AMDS) on Windows

http://support.apple.com/kb/ts1567

Windows Vista or Windows 7

1. Close iTunes and disconnect the iPhone, iPad, or iPod touch.
2. Click the Windows Start button .
3. In the Start Search field type Services.
4. In the Programs section of the search results, Click "Services".
5. Select Apple Mobile Device and click Stop the service as shown below:
   
6. After the service has stopped, click Start the service.
7. After the Apple Mobile Device service has started again, open iTunes and connect the device.

Then if the issue is resolved, set the service to start Automatically with the same article.

If it is still not working, use these steps from the same article to completely uninstall iTunes and its associated applications and install a fresh copy.

Remove and reinstall iTunes and AMDS

If the issue continues after restarting AMDS, then you'll need to remove and reinstall AMDS and iTunes.

1. Completely uninstall AMDS, iTunes, and all Apple software. Click the appropriate links below for steps:
   • Windows XP
   • Windows Vista, Windows 7, or Windows 8
2. Restart the computer.
3. Download and install (or reinstall) the latest version of iTunes from www.apple.com/itunes. Installing iTunes will also install AMDS.
4. Restart the computer.
5. Start iTunes and connect the device. It should be recognized properly in Windows.

Thank you for using Apple Support Communities.

All the very best,

Sterling