Cumulus Support

I am using LaCrosse WS2350 and Windows 7 and with the latest version of Cumulus, 1.9.3 build 1059, downloading data doesn't work after system sleep or hibernate. If I close Cumulus before sleep / hibernate downloading works but not if Cumulus is open all the time. This used to work on 1.9.2 before I upgraded a week ago.

Edit: This is on my parent's weather station, on my own WMRS200 I have no memory for logging at all.

Yes, that's how it works, and it has always been this way. You can't allow your PC to sleep while Cumulus is running. This is made clear in the readme.txt, and there is also a FAQ.