I downloaded a file Start11_Setup_sd.exe (showing as v1.22) from the store Object Desktop individual downloads section, which installed just fine, just the one downloaded from Object Desktop App or from Start11 itself had issues (but that had the name Start11_1.22_production.exe). So this solved it for me. So it looks like just that one installer is corrupt.
same issue here, if like mine - it is because the download file is corrupt. Try running the downloaded file directly and it should confirm that for you. I have tried downloading 1.22 production multiple times and get the same result. I am using Windows 10 Pro, and have 1.22 beta currently installed without any issues. So I think this is specific to the Start11_1.22_production.exe download just released, and not something to do with your operating system.
Check the file it downloaded to see if its saying that its corrupt like me, and you may want to think about blanking out your email from images (especially your MS account linked to windows) for security reasons.
I got exactly the same thing (103 error from Object Desktop client, and stuck installer via Start11 directly), and when I click on the downloaded binary directly it comes up that the exe is incomplete or corrupted. I am on latest and greatest Windows 10 pro with all Microsoft updates applied so Version 10.0.19044 Build 19044, Windows 10 Pro on Dell XPS 15 and 64bit. Trying to install Start11 v1.22 production (I currently have 1.22 beta if that makes any difference) and the dow