Trying to upgrade my i-phone 3 operating system to ios-5.  The program seems to download fine, but at the end it says network run time error and then I have to cancel it out and try again.  Tried 5 times and I can't upgrade the system.  help?

I am trying to upgrade the operating system on my i-phone 3 to ios-5.  I download the program and it runs and downloads.  When almost finished, an error occurs that says Network run time error.  This cancels out the download.  I have tried 5 times with the sdame result.  Can anyone help?  Thanks

This is asked and answered frequently... a simple search of the forums would have revealed that disabling any Anti-Virus and Firewall software on the computer prior to downloading will rectify the issue.

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