Having defined a test program model, the test team constructs a test architecture, which depicts the structure of the test program and defines the way that test procedures will be organized in support of the test effort.
To verify this problem, just connect your iPhone to a different USB port on the computer. Try installing/reinstalling latest version of iTunes. Install the latest version of iTunes (v12.2.1.16) for Windows 10 on your computer.
iTunes Sync Error â39 usually occurs when you try to sync your iPhone to iTunes over Mac and Windows. This error mostly occurs when you try to delete photos from your iPhone or iPod Touch. Below you will find the step by step guides on fixing iTunes Sync Error â39 in both Windows and Mac.