Itunes freezes with a spinning cursor whenever it detects my Iphone. Please help

Question

I have a Macbook Pro running OS X version 10.9.5 with a 2.9GHz Intel Core i7. Memory is 8GB 1600 MHz DDR3
All software (including itunes) is up to date on my Macbook, & iphone 6.
This problem started 2 days ago when I updated itunes to version 11.4. Prior to that I had no problems.
Once I installed the itunes update I tried to plug in my iphone 4S to do a backup and I have had the same freeze result ever since that day.
Today my iphone 6 arrived so I used my office computer (a PC) to backup my 4s. I then upgraded & downloaded my info to the 6.
Alas, once I tried introducing my new best friend to my macbook I got the same nasty response...
Can't we all just get along?
I did search a few conversations and saw someone who had the same issue. The fix that worked for them was to go and seek out the sync system folder location where they ended up finding a "sync system folder" and a "sync systems folder". Deleting the ladder apparently did the trick for them so I took a look in the same location on my macbook only to find that I had only the 1 sync system folder.
If anyone can help here it would be so greatly appreciated...
Thanks

Answer 1

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
The title of the Console window should be All Messages. If it isn't, select
          SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar at the top of the screen. Click the Clear Display icon in the toolbar. Then take one of the actions that you're having trouble with. Select any messages that appear in the Console window. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of which is irrelevant to solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
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