I don’t have the XP machine powered up right now, so I’m working from memory here…if I say something that doesn’t make sense, let me know!
When I ran ansvr-setup-0.15.2, it put some .bat files in the “c:\program files\astrometry.net local server” folder (I think that was the name of the folder anyway) and it put shortcuts to those .bat files on my start menu. Runnning these shortcuts were supposed to start the local server, terminate the local server, start the log viewer, etc. However, when I clicked on them, I got a command prompt but with an error message. When I looked at the .bat files, they were all attempting to run a file named bash.exe with different switches. The problem was that the path in the .bat files that pointed to bash.exe wasn’t a valid path on my machine. The .bat files were using a system variable, something like %localappdir% and I either don’t have that variable on XP, or it pointed to a different place than where cygwin was installed. I just did a search for the bash.exe file, and when I found it modifed the .bat files to point to that location. Everything worked like a champ after that!
Again, just want to emphasize how much I appreciate your work on this program. We were having fits with Elbrus, mainly because it is so particular about the coordinates, the pixel scale, and the angle. When the encoders on the mount aren’t synchronized with their actual position, Elbrus simply will not work…period. And without an internet connection in the observatory, I couldn’t use the astrometry.net website for solving. Your solution is exactly the thing I’ve been looking for!