Sunday, April 18th, 2010 Receiving error code 0x8600050C while trying to sync with your gmail from a windows mobile device? (Microsoft Exchange Push Mail with Google Sync)I fixed my error following instructions bellow: Start > Programs > ActiveSync [Menu] > OptionsTurn off the "Tick" mark for E-mail. [OK] (in top right corner)Choose "OK" on the "Remove all Outlook Email" message.[X] (in top right corner)Reset your device.After restarting, repeat the same steps, turning the "Tick" mark for E-Mail back on.You should now be fine to sync again.
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