Replacement iphone not connecting to fresh install of itunes

Hi, I got a replacement iphone 5 and cannot connect to itunes. I have tried the following; updating drivers via device manager, updating drivers manually through device manager, restarting amds service, reinstalling all apple software, changing the itunes install directory to C:\.

I have read through all of the below

https://discussions.apple.com/thread/5837408?answerId=24675244022#24675244022

https://discussions.apple.com/thread/5854503?answerId=24720312022#24720312022

http://support.apple.com/kb/ts1538

http://support.apple.com/kb/TS1567

http://support.apple.com/kb/HT1923

This is on a desktop pc, windows 7 prof 64 bit

Help!