Revisé el log de errores del Apache pero no encontré nada raro, solo esto:
Código HTML:
[Thu Nov 24 09:09:51 2011] [error] [client 127.0.0.1] File does not exist: F:/wamp/www/favicon.ico
[Thu Nov 24 09:10:00 2011] [error] [client 127.0.0.1] File does not exist: F:/wamp/www/favicon.ico
[Thu Nov 24 09:10:02 2011] [error] [client 127.0.0.1] File does not exist: F:/wamp/www/favicon.ico
[Thu Nov 24 09:10:11 2011] [error] [client 127.0.0.1] File does not exist: F:/wamp/www/favicon.ico
[Thu Nov 24 09:10:29 2011] [notice] Parent: child process exited with status 255 -- Restarting.
[Thu Nov 24 09:10:29 2011] [notice] Apache/2.2.11 (Win32) PHP/5.3.0 configured -- resuming normal operations
[Thu Nov 24 09:10:29 2011] [notice] Server built: Dec 10 2008 00:10:06
[Thu Nov 24 09:10:29 2011] [notice] Parent: Created child process 4040
[Thu Nov 24 09:10:29 2011] [notice] Child 4040: Child process is running
[Thu Nov 24 09:10:29 2011] [notice] Child 4040: Acquired the start mutex.
[Thu Nov 24 09:10:29 2011] [notice] Child 4040: Starting 64 worker threads.
[Thu Nov 24 09:10:29 2011] [notice] Child 4040: Starting thread to listen on port 80.
[Thu Nov 24 09:10:31 2011] [error] [client 127.0.0.1] File does not exist: F:/wamp/www/favicon.ico
Y ese error está desde siempre, no es de ahora.