vitalvintage on "[Plugin: W3 Total Cache] w3tc Error code: ERR_CONTENT_DECODING_FAILED"

every browser, every page fails with the following error:
Error code: ERR_CONTENT_DECODING_FAILED
was working fine and now nothing at all unless i refresh the page. then it loads. please help

https://wordpress.org/plugins/w3-total-cache/