This can be quite annoying and can occur in both Windows and Mac OS X systems. This is because digital imaging devices are set to this option by default.
However, it is possible to disable this notification by following the steps mentioned below. Please ensure that your iPhone or iPod touch is connected to your computer before you proceed.
For Windows Vista and Windows 7 users:
Step 1: Click on Start -> Control Panel -> Hardware and Sound
Step 2: Double click the 'AutoPlay' link
Step 3: Scroll down to the bottom of the screen for the 'Devices' section. You will see your iPhone or iPod touch listed here if it is already connected
Step 4: Replace the 'Import pictures and videos using Windows' option with 'Take no action'
Step 5: Click on 'Save' to complete the process
For Windows XP users:
Step 1: Click on Start -> Control Panel
Step 2: If you are in the 'Category View', select the 'Printers and Hardware' option. Alternatively, if you are in the 'Classic View', skip this step and go to the next step
Step 3: Double click to open the 'Scanners and Camera' section. If your iPhone or iPod touch is already connected to the computer, you will see them listed here
Step 4: Right click on the iPhone or iPod touch icon and choose 'Properties'
Step 5: Under the 'Events' tab
(a) Under the 'Select an event' option, pick 'Camera Connected'
(b) Under the 'Action' section, pick 'Take No Action'
Step 6: Click on 'Apply' and 'OK' to complete the process
For Mac OS X 10.6 Snow Leopard users:
Step 1: Under the startup disk, go to Applications folder and launch 'Image Capture'
Step 2: If your iPhone or iPod touch is connected to your computer, you will now see it listed on the left-side pane. Click on the corresponding icon
Step 3: On the bottom of the left pane, you will see a 'Show Device Settings' button. Click on this button and select 'No Application' in the pop-up menu that appears.
Step 4: Quit 'Image Capture' to complete the process
For Mac OS X 10.5 Leopard users:
Step 1: Open the Applications folder and launch 'Image Capture'
Step 2: Go to Image Capture -> Preferences
Step 3: For the 'When a camera is connected, open:' menu under the Camera section, choose 'No Application'
Step 4: Quit Image Capture to complete the process
It's as simple as that. As always, do let us know if this works for you.