Temporary server errors - PAID LICENSE (can't apply license)

Set up on new Win 10 machine, and getting server errors on both Gmail and private account. Works most of the time, but sometimes throws errors, attached. The same accounts are working on a Win 7 machine.

This might be caused by your anti-virus application. Disable that then try again.

Otherwise, as you have a Pro License, please open a support ticket directly with eM Client for further assistance.