Hanging IMAP hangs eM Client GUI

Hanging IMAP hangs all application windows and consumes 100% CPU.
Popups still appearing, but no GUI navigation available.
“Cancel” button in “downloading attachment” window does not work either.
IMAP operations in attach hanged in this state due to server/network failure/slow response.

eM Client 5 latest
Windows 7

Sorry, forgot attachment:

When it happens again, please run the tool available from http://www.emclient.com/tools/emstack… after the freeze happens. It should generate a log file (starting with “eM Client Stack” in your Documents folder) that will help us analyze the problem in more detail. Please send this file to us. Thanks.

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