There's a long-standing bug in Chromium regarding how links without protocols are handled. This error does not have a single solution till date because it arises due to a multitude of reasons. The ERR_UNKNOWN_URL_SCHEME error is commonly because of your browser issue . There's no application on your device which can handle that particular action. It is a Chromium bug . In Chrome version 40 and up, this bug has resurfaced, but only if you are manually entering the URL of the redirect page in the ...