IPhone won't connect to computer at all?

I have an iPhone 5S and recently it won't connect to my computer at. All. I mean at all. It won't charge, iTunes won't open/sync nothing. I don't know why. I've restarted my computer (like 12 times) along with my phone. I have the most recent iTunes update (that I'm aware of) and phone update. I have a Toshiba laptop from like 2010 or something so I don't really know the specifics (to be honest I don't really know where to find all the information about it).
It will connect to other computers and wall chargers to charge open iTunes whatever but just not mine. It's really annoying. The last time it worked was in April sometime after I got it, it was a gift, but I haven't plugged it into my computer since then. Also another question inside this one;
iTunes won't open unless I click run as admin and I assume I have to reinstall it completely, but is there any other way to fix it? It won't download music at all either. Perhaps I should just get a new computer. It's just really annoying. Apple needs to stop making phones and start fixing iTunes bugs and phone bugs. Phones will only blind the public for so long from the problems before they stop buying their products all together.

Will my record clear when i'm 18?

Ok so i really want to be a Navy Seal and when i was 13 i committed a felony me and my friends stole some iphone cases and got bused they said i committed a felony and my mom paid a fine of 250$. Will my record be clean when i'm 18? And will they oet me do BUD/S training or ever even be in the Navy Seals

Where could i get a sturdy Iphone 5c charger?

I'm having problems with my I phone 5C charger. I've gone through 3 chargers since February they all seem to get a shortage towards the end that goes into the phone does anyone know of where I could get a sturdy charger that would last me? Links please?

How to play music from my iPhone to my cars stereo?

There's an audio jack in my car yeah but I don't know what the thing is called to where you hook it up to your phone or where to find one. Or how to do it exactly xD so help please, I have an iPhone 4s. I ask this because I hung out with someone who had this type of thing in his car, the cord was like lime green lol