Computer doesn't recognize ipod touch 4g?

So, I recently updated iTunes to iTunes 11.

 

I've had this iPod touch 4g 8gb for 8 months now (same computer too) and I've never had a problem with it.

It wasn't until I updated iTunes that it started not to recognize it.

I've tried uninstalling itunes and reinstalling - didn't work.

I tried restarting computer, taking out the battery, disconnecting it - didn't work.

I tried using the device manager to uninstall it - didn't work.

I tried "DFU mode" (which really had no point because the computer itself won't recognize it, much less iTunes) - didn't work.

I connected it to another computer, said the same thing - "USB Device not recognized". I reset my iPod - didn't work.

USB cable seems to be fine, no scratches, no cuts. What should I do?

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