Why won't iTunes install?

I am asking this a second time as my first question wasn't really answered. I used to have iTunes on my laptop and it was working perfectly. I rebooted my laptop and reinstalled everything except for iTunes. It will NOT install and I do not know why...

I have tried 3 times to install latest iTunes. I uninstalled old iTunes then restarted my computer and installed new iTunes version. But nothing changed, i still have older iTunes version. How to install latest version?? I need some tabs which have only...

For the past few months iTunes has kept popping up telling me to update, but whenever I click okay it starts to download the update, then stops, and comes up with an error message saying 'Errors occurred while installing the updates. If the problem persists...

i uninstalled quicktime by mistake then itunes just couldnt run so i uninstalled itunes and re downloaded the installer from apple.com. now all that it does is it runs untill a point where it says "There is a problem with this windows installer...

I'm trying to start using my iPad 2 but first I have to install iTunes. I've tries installing it but when it's about to finish it says iTunes Installer Interrupted. It says that the installer was interrupted before the request for iTunes could be completed...

My iTunes suddenly stopped working. I use Windows. I deleted iTunes and tried to re-install. I go through the whole process and everything seems to be working. When I hit the install ...show more

im trying to install itunes on my laptop. when i go through the entire download and set up process and then try to open it it says that quicktime 7.2 doesnt work and that i need quicktime 7.5.5 to run itunes. but shouldnt that have updated when i installed...