I got the same error of shutdown unexpectedly. I tried everything.

1. I uninstalled skype.
2. I tried changing the ports to 81,444 / 81,443 / 88/443 / 80,443(default).
3. I went to services and tried killing required one.
4. I went to windows firewall and created the new inbound rule too.
5. I uninstalled old apache and installed new one too. This worked for 1 day.
6. I checked whether the port 80 is busy or not but none of the services is using port  

80,443. I used netstat -a command to check all the list of port for Win-8.
7. I tried stopping windows http services by "NET STOP HTTP".
8. I unchecked "Internet Information Services" from program and features.
9. I checked "Resource Monitor" for port usage. Port 80 is being used by HTTP server only 
but not responding to xampp control panel.

In all of the above cases, I made the changes and restarted the laptop every time to take the effect. But nothing has worked. Each time i got the same error i.e "XAMPP, Apache - Error: Apache shutdown unexpectedly".

Please give me the solution for this error. I am very much frustrated now. Please help me. Any help would be appreciable. Thank you in advance.