My wamp always stays in yellow rather than green, I've found the cause by command httpd.exe -e debug and netstat -ano, the result shows the port 80 be occupied by System who's PID is 4.
Then I checked the stat of http service and found there are two request queues without name, then I checked their process ID and found they are svchost.exe and LPOC.exe
There is my Windows task manager
I could close the two process to release port 80, but the next day it will bu occupied by the same reason.
So how could I "really" close the two request queues?
wish I express clearly, thanks a lot.