// in the Windows registry, and I'm not sure if it is possible to remove
			// a registry variable in a program's environment.
			//
			// Per https://learn.microsoft.com/en-us/windows/win32/api/processenv/nf-processenv-needcurrentdirectoryforexepathw#remarks,
			// “the existence of the NoDefaultCurrentDirectoryInExePath environment
			// variable is checked, and not its value.”