apple mobile device usb driver not digitally signed

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apple mobile device usb driver not digitally signed

I installed(updated) itunes 12.1.1.4 64-bit on wildows 7. Then, it can not recognize iphones and ipods any more.

I tried every means to fix this, updating windows and itunes, uninstalling and installing, rebooting and restarting.......

Finally, I find that the apple mobile device usb driver is not digitally signed. I found this when I open the computer/manage/device manager/portable device/iphone/update driver. Windows installed mtp usb driver for apple products and indicating the related apple driver software cannot be installed.

what's wrong with this? should I wait until apple solve this problem?

Posted on Mar 12, 2015 12:33 PM

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Answer 1

turingtest2

Level 10

278,991 points

Mar 12, 2015 1:52 PM in response to eexituus

I suggest you try the "for older video cards" version...

For general advice see Troubleshooting issues with iTunes for Windows updates.

The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down the page in case one of them applies.

The further information area has direct links to the current and recent builds in case you have problems downloading, need to revert to an older version or want to try the iTunes for Windows (64-bit - for older video cards) release as a workaround for installation or performance issues, or compatibility with QuickTime or third party software.

Your library should be unaffected by these steps but there are also links to backup and recovery advice should it be needed.

tt2

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