Starting apache fails (could not bind to address 0.0.0.0:80)

Question

Update: Already fixed, it seems that one of VirtualHosts configurations files was wrong in sites-enabled.

I have Ubuntu 11.10

When I run the command to start

Answer 1

I had the same problem

For me, apache was already running but it was running the wrong way.

Killing processes didnt work because a daemon kept reinstantiating it.

apachectl stop   

resolved the issue.