A problem encountered yesterday , install XAMPP Can't start after Apache service , I thought it might be because some system service files are occupied , After installing the software, restart it . However, it still cannot be started after restarting the computer Apache service , The status bar always shows “Apache started [Port 80]”, Is it because the port is occupied ？ After checking, it is not . Later, I had to turn to search engines , After several keyword searches, we finally found the problem .
XAMPP For an introduction to easy installation and use, please refer to this article ： XAMPP Installation and local site building methods .
XAMPP Apache Unable to start reason 1（ The lack of VC Runtime ）：
That's why I have a problem , Download the installed XAMPP The version is xampp-win32-1.7.7-VC9, While the existing Windows XP The system is not installed VC9 Runtime , Therefore, the related services cannot continue to run , This can be Windows See the error log prompt in the event viewer .
Now that the cause of the problem has been found , It will be easy to solve , Go to the Microsoft Download Center to search, download and install one Microsoft Visual C++ 2008Redistributable Install the package .
XAMPP Apache Unable to start reason 2（80 Port occupied ）：
This is unable to start Apache The most common reason for service , Like xunlei P2P Software will occupy 80 port , Generally, you can start after closing these software , If you need it, you can start it first XAMPP Then open these software .
If you can't determine which program is taking up 80 port , You can find out by the following method ：
1、 open “ The start menu ”—— Click on “ function ”—— Input “CMD” Open the command line window , Type in “netstat -ano” Command and return （ No double quotes , To prevent input errors , You can directly copy and paste with the right mouse button ）.
2、 After running the command , The usage of a series of ports will be displayed , Find the “0.0.0.0: 80” Corresponding PID Process identifier , recorded , I'll use it later .
3、 Right click the desktop taskbar , open Windows Task manager , stay “ see ”——“ Select column ” The admission “PID（ Process identifier ）” determine , You can see the port status used by each program . Combined with the above 80 The port corresponds to PID Process identifier , You can determine which program is taking up 80 port . To close the program, it is recommended to close it from the software interface , If the software interface cannot be found, close , Right click to end the process directly .
If you don't want to be so troublesome , You can also modify XAMPP Don't use 80 The port uses other , Modification method ： open XAMPP The installation directory , modify \apache\conf\httpd.conf file , Find these two sentences , Change the port to 8081 Or others .
Listen 80
ServerName localhost:80
XAMPP Apache Unable to start reason 3（443 Port occupied ）：
This situation is relatively rare , Will occupy 443 There are not many port programs .XAMPP Start except for 80 Out of port , There is also a load SSL Modular 443 port . If
