Hello all realy I installed xampp on windows xp service pack 3 ,and apache and mysql runs on the control panel ,but localhost doesn't work ,I searched on the google and I underestood that the port of 80 was used by another programs I use netstat -nac on the command line to underestand the other programs that occupy port 80.it showed that two other programs runned on port 80 I tried to find the service in the task manager of windows ,but I didn't find the services that are occupied by port 80 in the process tab of the task manger ,it seems that some of the services are hidden in task manager . Please help me.I appreciate your help.