[CONNECT U14 C#] MicrostationDeveloperShell.bat returns \Microsoft unexepected at this time.

Hello All. First post, please be kind!

I'm just getting started with writing plugins for MicroStation, though I typically work on writing plugins for Rhino 3D. My goal is to write plugins in C# with Visual Studio 2019. I've downloaded and installed Microstation CONNECT 14 and the corresponding SDK. When I run the MicrostationDeveloperShell.bat from the SDK shortcut I get  \Microsoft unexepected at this time:

So I thought, ok, I'll just dig into the samples, open one up, and build it myself. Well, that didn't work either. I opened up MicroStationCONNECTSDK\examples\Elements\ManagedToolsExample, corrected the references to point to the right dlls, cleaned, rebuilt. The references still don't seem to be found.

Any advice for a beginner like myself?

Thanks in advanced and apologies for any obvious things I am overlooking on my part!