It turns out that Comodo Antivirus auto-sandboxes any program that it doesn’t
recognize, and this included python in the C:\Users\$user\AppData\Programs
directory.
This also affects Cygwin and MSYS2 (but not MSYS).
If you are thinking about using Comodo, disable the Auto-Containment feature.
A
Hello, I am seeking some quick help, and probably am reporting bugs along the
way. I apologize that this is a long email. Please let me know what I should do
in the future.
On Windows, pip hangs and does not install packages in the proper location (or
perhaps, at all), even if pip claims it ins