title: WampServer Apache not starting
body: <p>I've installed <code>WampServer</code> so many times, and everytime i face this problem.</p>
  <p>The <code>wamp</code> tray icon is orange :</p>
  <p><img src="https://i.stack.imgur.com/Pf1sN.png" alt="wamp tray icon is orange" /></p>
  <p>and i get this errors in the <code>Apache Error Log</code> :</p>
  <blockquote>
  <p>[Sun May 31 07:29:32.246382 2015] [mpm_winnt:notice] [pid 2972:tid 376] AH00455: Apache/2.4.9 (Win32) PHP/5.5.12 configured -- resuming normal operations</p>
  <p>[Sun May 31 07:29:32.246382 2015] [mpm_winnt:notice] [pid 2972:tid 376] AH00456: Apache Lounge VC11 Server built: Mar 16 2014 12:13:13</p>
  <p>[Sun May 31 07:29:32.246382 2015] [core:notice] [pid 2972:tid 376] AH00094: Command line: 'f:\wamp\bin\apache\apache2.4.9\bin\httpd.exe -d F:/wamp/bin/apache/apache2.4.9'</p>
  <p>[Sun May 31 07:29:32.527182 2015] [mpm_winnt:notice] [pid 2972:tid 376] AH00418: Parent: Created child process 2700</p>
  <p>[Sun May 31 07:29:59.421630 2015] [mpm_winnt:crit] [pid 2972:tid 376] AH00419: master_main: create child process failed. Exiting.</p>
  </blockquote>
  <p>When i test the <code>port 80</code> it says :</p>
  <p><img src="https://i.stack.imgur.com/K3ATl.png" alt="enter image description here" /></p>
  <p>Checked the System <code>Environment Variables</code> for errors and understood nothing there :</p>
  <p><img src="https://i.stack.imgur.com/zrlo5.png" alt="enter image description here" /></p>
  <p><strong>What Causes this problem?</strong></p>