Legacy code is always frustrating. I had to pick up Delphi at one point to fix a bug in an application who's only job was to relay specific windows messages (essentially a broker).
5 sold days getting the environment setup (every dependency had to be in the PATH), 20 min to make the change then another 3 days getting the installer build environment setup.
5 sold days getting the environment setup (every dependency had to be in the PATH), 20 min to make the change then another 3 days getting the installer build environment setup.