+ AA6YQ comments below
On Mon, Jun 1, 2020 at 02:56 AM, Steve GW4BKG wrote:
For some years I have used DXKeeper as a reference log but have now moved my whole operation over to DXLabs.
+ For that many QSOs, depressing the CTRL key while clicking "Sync LoTW QSOs" would be faster.
This went smoothly and I have subsequently performed two “Upload to LOTW” operations again without problem.
+ "Not responding" in a window's title bar is Microsoft-speak for "waiting for input/output". Let the operation run to completion.