Make sure you entered the actual environment variable name rather than its value. For example, if the environment variable is HTTP_PROXY=http: / /localhost:3128 you need to enter HTTP_PROXY here instead of the actual value http: / /localhost:3128.
Ziurtatu ingurune aldagaia sartu duzula honen balioaren ordez: Adibidez, ingurune aldagaia HTTP_ PROXY=http: // localhost: 3128 bada, hemen HTTP_ PROXY sartu behar duzu eta ez uneko balioa, http: // localhhost: 3128.