Failed to authenticate API on my webiste

winthrust.com is my website..
im not able to authenticate my jetpack and SEO pressor API keys they both say failed to authenticate ..what should i do ? my host says that he is not responsible for any kind of plugin issues but it has been since i installed wordpress.
also the API keys are not workign on my subdomaisn… also my frind has the website hosted oon same host as i am and his API keys work fine >>>>>

please help me i can give you login credentials to set every thing right ! please help