Share your experience!
After my pc companion got updated it is not detecting my phone.
The phone is detected and show on my system but not on pc companion software.
try also installing this http://www.sonymobile.com/global-en/tools/update-service/
if the problem still exist, try to reinstall PC companion and set the connection mode of the phone to MSC
i have update service on my pc and it detects the phone, but the pc companion does not detect it...