Thanks for your report.
I a common problem with German translation. German texts tend to be longer than other languages. I'll try to make the window larger.
So I came around to download a virtual machine from my Linux server that has a filesize of around 250GB.
When I started to download it I limited the speed to around 2mb/s so that i could still download/upload other things and play some games with friends in the mean time. Its now 1 day and some hours since I started downloading it and I noticed that the elapsed time doesn't display properly.
Screen (it's in German but everyone should know the layout :P):
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So the "Verstrichene Zeit" should theoretically look like "Verstrichene Zeit: 1:12:24:49" but instead it says "Verstrichene Zeit1, 12:24:49"
By the way the remaining time showed it correctly but obviously shows only some minutes remaining now.
I use WinSCP 5.7.6 (Build 5874) with the Commander Interface on Windows 7 Ultimate 64Bit.