My little brother, what's wrong with my xampp? Please help the gods.

What's wrong with my xampp? Please, God help you.
I've only recently xampp. But http://localhost/is not open. In
Xampp-control inside shows everything normal, Apache and MySQL are all displayed running
The log is as follows
15:15:16 [main] Initializing Control Panel
15:15:16 [main] Windows version:windows XP SP3 32-bit
15:15:16 [main] XAMPP version:1.8.1
15:15:16 [main] Control Panel version:3.1.0 Beta 6 [compiled:september 20th 2012]
15:15:16 [main] Running with Administrator rights-good!
15:15:16 [main] XAMPP installation Directory: "F:\xampp\"
15:15:16 [main] Checking for prerequisites
15:15:16 [main] all prerequisites found
15:15:16 [main] Initializing Modules
15:15:16 [main] Starting Check-timer
15:15:16 [main] Control Panel ready
15:15:24 [Apache] attempting to start Apache app ...
15:15:24 [Apache] Status Change detected:running
15:15:24 [MySQL] attempting to start MySQL app ...
15:15:25 [MySQL] Status change detected:running
15:16:06 [Apache] attempting to stop Apache (pid:5564)
15:16:06 [Apache] attempting to stop Apache (pid:4656)
15:16:06 [Apache] Status Change detected:stopped
15:16:06 [MySQL] attempting to stop MySQL (pid:4024)
15:16:07 [MySQL] Status change detected:stopped
15:17:41 [main] deinitializing Modules
15:17:41 [main] deinitializing Control Panel

But in Apache's log, there's something like this.

[Tue Oct 30 15:15:28.468750 2012] [Core:warn] [PID 5564:tid 216] Ah00098:pid file F:/xampp/apache/logs/httpd.pid overwritten-unclean shutdown of previous Apache run?
[Tue Oct 30 15:15:28.843750 2012] [Ssl:warn] [PID 5564:tid 216] AH01873:Init:Session Cache is not configured [Hint:sslsessioncache]
[Tue Oct 30 15:15:30.203125 2012] [Mpm_winnt:notice] [PID 5564:tid 216] ah00455:apache/2.4.3 (WIN32) openssl/1.0.1c php/5.4.7 configured--Resuming normal operations
[Tue Oct 30 15:15:30.218750 2012] [Mpm_winnt:notice] [PID 5564:tid 216] Ah00456:server Built:aug 18 2012 12:41:37
[Tue Oct 30 15:15:30.218750 2012] [Core:notice] [PID 5564:tid 216] Ah00094:command line: ' F:\\xampp\\apache\\bin\\httpd.exe-d f:/xampp/apache '
[Tue Oct 30 15:15:30.296875 2012] [Mpm_winnt:notice] [PID 5564:tid 216] AH00418:Parent:Created Child Process 4656
[Tue Oct 30 15:15:33.093750 2012] [Ssl:warn] [PID 4656:tid 1864] AH01873:Init:Session Cache is not configured [Hint:sslsessioncache]
[Tue Oct 30 15:15:33.281250 2012] [Mpm_winnt:notice] [PID 4656:tid 1864] AH00354:Child:Starting threads worker.


This is the MySQL log.

121030 15:15:26 [Note] Plugin ' federated ' is disabled.
121030 15:15:26 innodb:the InnoDB memory heap is disabled
121030 15:15:26 innodb:mutexes and rw_locks use Windows interlocked functions

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