WXSIM 3in1 : meteogram disappears

Hello,

Both Wxsim and Wxsimate are started 8 minutes after the hour by a batch script.
Then, Wxsimate starts downloading data 10 minutes after the hour with the autoschedulde mode. After that, it closes by itself.
Wxsim start generating forecasts 12 minutes after the hour with auto mode also. After that, wret is automatically launched.

A Syncback profile upload plaintext and lastret to the Internet, 20 minutes after the hour.