If you are getting this error
00:06:05 [Apache] Error: Apache shutdown unexpectedly.
00:06:05 [Apache] This may be due to a blocked port, missing dependencies,
00:06:05 [Apache] improper privileges, a crash, or a shutdown by another method.
00:06:05 [Apache] Check the “/xampp/apache/logs/error.log” file
00:06:05 [Apache] and the Windows Event Viewer for more clues
follow these steps
Go to your xampp/wamp installed, search for httpd.conf.
Open that file using textpad/notepad, search for Listen or 80 ,
update listen port to 8081 and save the file.
Restart xampp/wamp, start the servers.