error Error: CERT_UNTRUSTED

[irwanto82]

how to fix it

26 http GET https://registry.npmjs.org/localtunnel 27 silly lockFile c752cf78-localtunnel localtunnel@ 28 silly lockFile c752cf78-localtunnel localtunnel@ 29 error Error: CERT_UNTRUSTED 29 error at SecurePair. (tls.js:1430:32) 29 error at SecurePair.emit (events.js:92:17) 29 error at SecurePair.maybeInitFinished (tls.js:1029:10) 29 error at CleartextStream.read [as _read] (tls.js:521:13) 29 error at CleartextStream.Readable.read (_stream_readable.js:341:10) 29 error at EncryptedStream.write [as _write] (tls.js:418:25) 29 error at doWrite (_stream_writable.js:226:10) 29 error at writeOrBuffer (_stream_writable.js:216:5) 29 error at EncryptedStream.Writable.write (_stream_writable.js:183:11) 29 error at write (_stream_readable.js:602:24) 30 error If you need help, you may report this log at: 30 error http://github.com/isaacs/npm/issues 30 error or email it to: 30 error [email protected] 31 error System Linux 2.6.32-042stab127.2 32 error command "node" "/usr/bin/npm" "install" "-g" "localtunnel" 33 error cwd /root 34 error node -v v0.10.48 35 error npm -v 1.3.6 36 verbose exit [ 1, true ]