Sony Ericsson phone not detected/found or sync window appears to lock-up.
If you are using the free XTNDConnect PC software that came with your
phone, you must contact Sony Ericsson Technical Support for help
If you purchased the full retail version of XTNDConnect PC, make sure
that SonyEricsson's Phone Monitor utility is installed and running and
that your phone can connect to your PC outside of XTNDConnect PC.
Also make sure your transport method (i.e., USB cable, IR, Bluetooth, etc.) is functioning properly.
If these items appear to be functioning properly, try uninstalling
XTNDConnect PC and Phone Monitor, then reinstall Phone Monitor, then
reinstall XTNDConnect PC.