Q: Installing itunes to my laptop I get an error message  Apple mobile device service fail to start verify that you have sufficient privilegesto start system services

You seem to have installED iTunes and are trying to connect your iDevice, is that right?

iPhone, iPad, or iPod not recognized in iTunes for Windows - Apple Support

Your statement - "installING" - also might indicate that you have insufficient privileges in Windows to properly install & use iTunes.

If you can't install or update iTunes for Windows - Apple Support

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It just won't install

Have you thoroughly followed the steps in the second link? I recommend reading the entire article, then go back and choose what you will do next from the suggestions therein.

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2nd link... pay special attention to #4 and beyond. - ÇÇÇ

Hi Tishsha

I had a very similar problem with my last update of iTunes 12.1.xx, It Failed to install! I also got the same error message too "Apple mobile device service fail to start" The installation then aborts. After some online research I uninstalled iTunes [and you MUST follow very specific, complete uninstall instructions provided by Apple but I no longer have the link to the instructions, sorry] but! it worked! after that I reinstalled with no problem!

Good Luck!

Fredy