How to fix Windows 7 error, “Security Center service can’t be started?”

After getting a Windows Security Alert, I went into control panel>system and security>action panel, where it shows that “Windows Security Center service is turned off.” When I try to turn it on by clicking the “turn on now” box, I get a pop-up window that says “Security Center can’t be started.” Any ideas how I can fix this?

Read more: How to fix Windows 7 error, “Security Center service can’t be started?”

Story added 5. February 2014, content source with full text you can find at link above.