I have the same problem:
3:43:00 PM [main] Initializing Control Panel
3:43:00 PM [main] Windows Version: Windows 7 Professional SP1 64-bit
3:43:00 PM [main] XAMPP Version: 1.8.2
3:43:00 PM [main] Control Panel Version: 3.2.1 [ Compiled: May 7th 2013 ]
3:43:00 PM [main] You are not running with administrator rights! This will work for
3:43:00 PM [main] most application stuff but whenever you do something with services
3:43:00 PM [main] there will be a security dialogue or things will break! So think
3:43:00 PM [main] about running this application with administrator rights!
3:43:00 PM [main] XAMPP Installation Directory: "c:\xampp\"
3:43:00 PM [main] Checking for prerequisites
3:43:00 PM [main] All prerequisites found
3:43:00 PM [main] Initializing Modules
3:43:00 PM [Apache] Problem detected!
3:43:00 PM [Apache] Port 80 in use by "C:\Program Files (x86)\Skype\Phone\Skype.exe" with PID 1996!
3:43:00 PM [Apache] Apache WILL NOT start without the configured ports free!
3:43:00 PM [Apache] You need to uninstall/disable/reconfigure the blocking application
3:43:00 PM [Apache] or reconfigure Apache and the Control Panel to listen on a different port
3:43:00 PM [Apache] Problem detected!
3:43:00 PM [Apache] Port 443 in use by "C:\Program Files (x86)\Skype\Phone\Skype.exe" with PID 1996!
3:43:00 PM [Apache] Apache WILL NOT start without the configured ports free!
3:43:00 PM [Apache] You need to uninstall/disable/reconfigure the blocking application
3:43:00 PM [Apache] or reconfigure Apache and the Control Panel to listen on a different port
3:43:00 PM [mysql] XAMPP MySQL is already running on port 3306
3:43:00 PM [main] Starting Check-Timer
3:43:00 PM [main] Control Panel Ready
3:43:05 PM [Apache] Problem detected!
3:43:05 PM [Apache] Port 80 in use by "C:\Program Files (x86)\Skype\Phone\Skype.exe" with PID 1996!
3:43:05 PM [Apache] Apache WILL NOT start without the configured ports free!
3:43:05 PM [Apache] You need to uninstall/disable/reconfigure the blocking application
3:43:05 PM [Apache] or reconfigure Apache and the Control Panel to listen on a different port
3:43:05 PM [Apache] Problem detected!
3:43:05 PM [Apache] Port 443 in use by "C:\Program Files (x86)\Skype\Phone\Skype.exe" with PID 1996!
3:43:05 PM [Apache] Apache WILL NOT start without the configured ports free!
3:43:05 PM [Apache] You need to uninstall/disable/reconfigure the blocking application
3:43:05 PM [Apache] or reconfigure Apache and the Control Panel to listen on a different port
3:43:05 PM [Apache] Attempting to start Apache app...
3:43:05 PM [Apache] Status change detected: running
3:43:05 PM [Apache] Status change detected: stopped
3:43:05 PM [Apache] Error: Apache shutdown unexpectedly.
3:43:05 PM [Apache] This may be due to a blocked port, missing dependencies,
3:43:05 PM [Apache] improper privileges, a crash, or a shutdown by another method.
3:43:05 PM [Apache] Press the Logs button to view error logs and check
3:43:05 PM [Apache] the Windows Event Viewer for more clues
3:43:05 PM [Apache] If you need more help, copy and post this
3:43:05 PM [Apache] entire log window on the forums
3:43:06 PM [Apache] Problem detected!
3:43:06 PM [Apache] Port 80 in use by "C:\Program Files (x86)\Skype\Phone\Skype.exe" with PID 1996!
3:43:06 PM [Apache] Apache WILL NOT start without the configured ports free!
3:43:06 PM [Apache] You need to uninstall/disable/reconfigure the blocking application
3:43:06 PM [Apache] or reconfigure Apache and the Control Panel to listen on a different port
3:43:06 PM [Apache] Problem detected!
3:43:06 PM [Apache] Port 443 in use by "C:\Program Files (x86)\Skype\Phone\Skype.exe" with PID 1996!
3:43:06 PM [Apache] Apache WILL NOT start without the configured ports free!
3:43:06 PM [Apache] You need to uninstall/disable/reconfigure the blocking application
3:43:06 PM [Apache] or reconfigure Apache and the Control Panel to listen on a different port
3:43:06 PM [Apache] Attempting to start Apache app...
3:43:06 PM [Apache] Status change detected: running
3:43:07 PM [Apache] Status change detected: stopped
3:43:07 PM [Apache] Error: Apache shutdown unexpectedly.
3:43:07 PM [Apache] This may be due to a blocked port, missing dependencies,
3:43:07 PM [Apache] improper privileges, a crash, or a shutdown by another method.
3:43:07 PM [Apache] Press the Logs button to view error logs and check
3:43:07 PM [Apache] the Windows Event Viewer for more clues
3:43:07 PM [Apache] If you need more help, copy and post this
3:43:07 PM [Apache] entire log window on the forums