Can't install iTunes - Apple Mobile Device

Hey guys, I'm having a problem when installing itunes. For some reason, I had to uninstall it once.

Now, whenever I try to install it I get this messege:

"Service 'Apple Mobile Device' (Apple Mobile Device) failed to start. Verify that you have sufficient privelges to start system services."

Abort/Retry/Ignore

I've been with this issue for several months, I've tried every single solution I've found on the internet, and nothing.

I've removed itunes, with all it's programs (Bonjour, Apple Mobile Device, etc) a hundred times. I've made a standalone installation of applemobiledevice.msi.

I've tried to install a previous iTunes version. I've cleaned the registry and erased every Apple related item with programs such us CCleaner, TuneUp and RevoUninstaller and more. I've done EVERTHING, but nothing.

The messege keeps saying "Service 'Apple Mobile Device' (Apple Mobile Device) failed to start. Verify that you have sufficient privelges to start system services." whenever I try to install it. By the way, I'm trying to install iTunes 10.4 in XP.

If I click on "Ignore" the program will get installed, but when I try to open it it won't let me. I don't know what to do.

Without iTunes I can do nothing. I have all my music in there (I've saved the folder from My Music), I cannot even sync my iTouch, I can't do anything.

Please if anyone knows a solution, I'd be grateful forever.