Xperia Z2 Firmware Update via PC Companion = FAIL!

I appologize if this is a duplicate post. I searched the forum before posting but it seemed similar posts weren't exactly the same issue(s) I'm experiencing.
I'm getting the notification that there is a firmware update for my Xperia Z2 tablet but that I am required to use PC Companion to download/install it. However, for some reason PC Companion refuses to detect that my tablet is connected. I've tried multiple usb ports and two different computers. Under device manager it doesn't show any device driver issues and the usb drivers are installed and up-to-date. However I constantly run into error message after error message. The tablet is set to MTP mode and connected via the included Sony usb cable. I've followed every wizard, prompt, guide, etc. but in the end PC Companion still says there's no phone/tablet connected. Would be so much easier if it would just download the update to the tablet like EVERY other android device I own does.

Did you take a look at this?
http://talk.sonymobile.com/t5/FAQ/USB-connection-problems/m-p/348074#U348074
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Attachments:
0728.jpg ‏30 KB

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Xperia Z2 Firmware Update via PC Companion = FAIL!

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