How Do I Remove “WARNING!! OS Crash Report” Virus Completely

Whenever I turn on my computer and also how to remove a virus from windows log on to my account, this http://deletepcthreat.blogspot.com/2015/11/help-to-get-rid-of-searchmyradioxpcom.html creepy WARNING!! OS Crash Statement immediately pops up. just how can I remove it permanently? or how do I ensure that it stays from happening? Please help me, thanks!. if which matters)