mysql - error running apache after xampp install

Question

I installed xampp on win7 and get this error when starting apache. I unchecked skype and nothing changes. How do I find what is using port 80? How do I fix this please. I dont have another server running.

update this is the error. I click on start and  get this problem
    Error: Apache shutdown unexpectedly.
11:27:19 PM  [Apache]   This may be due to a blocked port, missing dependencies, 
11:27:19 PM  [Apache]   improper privileges, a crash, or a shutdown by another method.
11:27:19 PM  [Apache]   Press the Logs button to view error logs and check
11:27:19 PM  [Apache]   the Windows Event Viewer for more clues
11:27:19 PM  [Apache]   If you need more help, copy and post this
11:27:19 PM  [Apache]   entire log window on the forums

The below link didnt help me

Why won't Apache start in XAMPP installation?

Here is the error log

[Sat Jun 07 22:36:53.823331 2014] [ssl:warn] [pid 6048:tid 236] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat Jun 07 22:36:54.084345 2014] [ssl:warn] [pid 6048:tid 236] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat Jun 07 22:36:55.240412 2014] [mpm_winnt:notice] [pid 6048:tid 236] AH00455: Apache/2.4.9 (Win32) OpenSSL/1.0.1g PHP/5.5.11 configured -- resuming normal operations
[Sat Jun 07 22:36:55.241412 2014] [mpm_winnt:notice] [pid 6048:tid 236] AH00456: Apache Lounge VC11 Server built: Mar 16 2014 12:13:13
[Sat Jun 07 22:36:55.241412 2014] [core:notice] [pid 6048:tid 236] AH00094: Command line: 'E:\xampp\apache\bin\httpd.exe -d E:/xampp/apache'
[Sat Jun 07 22:36:55.339417 2014] [mpm_winnt:notice] [pid 6048:tid 236] AH00418: Parent: Created child process 1840
[Sat Jun 07 22:36:55.950452 2014] [ssl:warn] [pid 1840:tid 248] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat Jun 07 22:36:56.202467 2014] [ssl:warn] [pid 1840:tid 248] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat Jun 07 22:36:56.299472 2014] [mpm_winnt:notice] [pid 1840:tid 248] AH00354: Child: Starting 150 worker threads.

Answer 1

Try those methods, it should work:

• quit/exit Skype (make sure it's not running) because it reserves localhost:80
• disable Anti-virus (Try first to disable skype and running again, if it didn't work do this step)
• Right click on xampp control panel and run as administrator