- [`Error: unable to get local issuer certificate`](#error-unable-to-get-local-issuer-certificate) ### `Error: unable to get local issuer certificate` This error might happen when you are behind a specific proxy. Then you need to set some environment variables: ```sh NODE_TLS_REJECT_UNAUTHORIZED=0 selenium-standalone install` NODE_TLS_REJECT_UNAUTHORIZED=0 selenium-standalone start ``` On Windows: ```setx NODE_TLS_REJECT_UNAUTHORIZED 0```