1.0C-Know Mediahttps://www.cknow.com/cmsrich600338<blockquote class="wp-embedded-content" data-secret="y69qVjDOWs"><a href="https://www.cknow.com/cms/vtutor/dr-solomon-history.html">Dr Solomon History</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.cknow.com/cms/vtutor/dr-solomon-history.html/embed#?secret=y69qVjDOWs" width="600" height="338" title="“Dr Solomon History” — C-Know Media" data-secret="y69qVjDOWs" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.cknow.com/cms/wp-includes/js/wp-embed.min.js </script> Narrative histories are available from several sources. The information in this section was provided by and used with permission of Dr. Solomon Software. Please do not further use the material without obtaining your own permission to use it. Dr. Solomon’s is now a part of Network Associates…. A Brief History of PC Viruses by Dr. […]https://www.cknow.com/cms/wp-content/uploads/2013/02/arrow_up.png