Apple iPhone 4 keeps connecting and disconnecting from new Macbook Pro 13. What is supposed to be done?

I have a windows desktop in my office and my iPhone 4 works pretty fine and gets charged and gets connected to the iTunes. However, I just purchased a new Macbook Pro 13 this Nov (2014) and I can't seem to connect my iPhone. it keeps connecting and disconnecting. its very annoying. i saw similar posts and threads but there is no resolution! please help

Hi there ceaselesschat,
Welcome to Apple Support Communities.
The article linked below provides a lot of great troubleshooting tips that can help you resolve the issue with your iPhone 4 disconnecting from your MacBook Pro unexpectedly.
iTunes: Resolve USB-related alerts - Apple Support
Take care,
-Jason

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I'm in trouble You update the iPhone did not have the expense of Apple iPhone was closed and requests activation account??? What to do This conversation data

I'm in trouble
You update the iPhone did not have the expense of Apple iPhone was closed and requests activation account??? What to do
This conversation data
SerialNumber: DN*******TC0
help help
help
help
I've stopped all my work because all the contact numbers on the phone helped me
<Personal Information Edited by Host>

Repost in your native language as current post makes no sense.
Not wise to post Serial Number or IMEI in public forum - perhaps the
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Apple iPhone 4 keeps connecting and disconnecting from new Macbook Pro 13. What is supposed to be done?

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