AWS SQS Request Error

Please HELP, i'm trying to work with Amazon SQS from localhost... please how do i resolve this

Error executing "SendMessage" on "https://sqs.us-west-2.amazonaws.com/586167182401/*****"; AWS HTTP error: cURL error 60: SSL certificate problem: unable to get local issuer certificate (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

Thanks