After installing the collabnet subversion server and tortoise svn in xampp server apache is not running why?

MySQL

Simple. Collabnet Subervsion comes with an Apache Server just as Xampp, both by default running on port 80/8080 (see port check below). when you install collabnet subversion after xampp, the svn takes over xampp's apache's port and xampp stop running.

Apache (HTTP) 80 Process: System

Apache (WebDAV) 81 free

Apache (HTTPS) 443 Program: D:\Program Files\xampp\apache\bin\httpd.exe

MySQL 3306 free

FileZilla (FTP) 21 free

FileZilla (Admin) 14147 free

Mercury (SMTP) 25 free

Mercury (POP3) 110 free

Mercury (IMAP) 143 free

Mercury (HTTP) 2224 free

Mercury (Finger) 79 free

Mercury (PH) 105 free

Mercury (PopPass) 106 free

Tomcat (AJP/1.3) 8009 free

Tomcat (HTTP) 8080 Program: D:\Program Files\xampp\apache\bin\httpd.exe