Just one click Security Center Alert will be vanish!

For this work you should be open a "Notepad" and write below code and save it by name "Disable.reg".

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center]
"FirstRunDisabled"=dword:00000001
"AntiVirusDisableNotify"=dword:00000001
"FirewallDisableNotify"=dword:00000001
"UpdatesDisableNotify"=dword:00000001
"AntiVirusOverride"=dword:00000000
"FirewallOverride"=dword:00000000

Now double click the file and click "YES" and press "OK". Then restart your computer. After then "Security Center ALART" will not be show.