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.
Bí cinnte gur iontráil tú ainm na hathróige timpeallachta in ionad a luacha. Mar shampla, más HTTP_ PROXY=http: // localhost: 3128 í an athróg, ní mór duit HTTP_ PROXY a iontráil anseo in ionad an luacha http: // localhost: 3128.