The EXE’s name doesn’t look like the original filename. Do you download it from the official website?
The original FN is like
Sure, through Rhino 6 itself, I only renamed it (always keep last version in my archive)
It looks like SR27 is still in RC. It’s possible it’s not correctly signed.
Hi Piotr - Thanks for that report. Was that (6.27.20153.14021)?
We saw an issue with a slightly older internal build but the official RC should be fine…