HELP with Amazon sqs

I've been working around this for days now and i've tried all suggestion on google search. Please how do i resolve this... trying to connect to sqs

Error executing "SendMessage" on "https://sqs.us-west-2.amazonaws.com/566166183300/Multi-****"; AWS HTTP error: cURL error 77: error setting certificate verify locations:
CAfile: C:\Program Files (x86)\IIS Express\PHP\v5.6\extras\cacert.pem
CApath: none (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

Please help me