When I try to access any simple PHP page, there comes this system window in spanish :

APACHE provoc? un error de p?gina no v?lida en el 
m?dulo PHP4TS.DLL de 0167:00bf49da.
Registros:
EAX=00000000 CS=0167 EIP=00bf49da EFLGS=00010246
EBX=00000008 SS=016f ESP=03cafe78 EBP=00bfd6f0
ECX=00000008 DS=016f ESI=00764da0 FS=463f
EDX=00000000 ES=016f EDI=006e0204 GS=1876
Bytes en CS:EIP:
,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x ,02x 
Volcado de pila:
,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x ,08x 

My configuration is 

short_open_tag = On
asp_tags = On
allow_call_time_pass_reference = Off
output_buffering = On
output_handler = 
implicit_flush = On
max_execution_time = 300
memory_limit = 118M
error_reporting = E_ALL & ~E_NOTICE
display_errors = On
display_startup_errors = On
log_errors = On
error_log = syslog
variables_order = EGPCS
register_globals = On
register_argc_argv = On
post_max_size = 118M
magic_quotes_gpc = On
magic_quotes_runtime = Off
session.save_handler = files
session.save_path = "C:\windows\TEMP"
session.use_cookies = On
session.auto_start = Off
session.use_trans_sid = On
session.gc_probability = 1
session.gc_maxlifetime = 1440
session.cache_expire = 180
auto_prepend_file = 
auto_append_file = 
include_path = ".;c:\apache\php\pear;"
extension_dir = c:\apache\php\extensions
extension=php_bz2.dll
extension=php_cpdf.dll
extension=php_ctype.dll
extension=php_curl.dll
extension=php_cybercash.dll
extension=php_db.dll
extension=php_dba.dll
extension=php_dbase.dll
extension=php_domxml.dll
extension=php_dotnet.dll
extension=php_exif.dll
extension=php_fdf.dll
extension=php_filepro.dll
extension=php_gd_gif.dll
extension=php_gettext.dll
extension=php_imap.dll
extension=php_interbase.dll
extension=php_java.dll
extension=php_ldap.dll
extension=php_mhash.dll
extension=php_ming.dll
extension=php_openssl.dll
extension=php_pdf.dll
extension=php_printer.dll
extension=php_sablot.dll
extension=php_snmp.dll
extension=php_yaz.dll
extension=php_zlib.dll
bware_cache_enable = On
bware_cache_check_stamp = Off
bware_cache_only = ""
debugger.enabled = Off
debugger.host = localhost
debugger.port = 7869
hyerwave.allow_persistent = On
hyperwave.default_port = 418
ifx.allow_persistent = On
ingres.max_persistent = -1
ifx.max_links = -1
java.class.path = "c:\apache\php\extensions\php_java.jar"
java.home = "c:\apache\php\extensions\php_java.jar"
java.library = "not installed\jre\bin\hotspot\jvm.dll"
java.library.path = "c:\apache\php\extensions"
iconv.input_encoding = "ISO-8859-1"
iconv.output_encoding = "ISO-8859-1"
iconv.internal_encoding = "ISO-8859-1"
ingres.allow_persistent = On
ingres.max_persistent = %extension ingres maxpconnect%
ingres.max_links = -1
ibase.allow_persistent = On
ibase.max_persistent = -1
ibase.max_links = -1
ldap.max_links = %extension ldap maxpconnect%
ldap.base_dn = "http://localhost"
mssql.allow_persistent = On
mssql.max_persistent = -1
mssql.max_links = -1
mssql.textlimit = 4096
mssql.textsize = %extension mssql textsizr%
pgsql.allow_persistent = On
pgsql.max_persistent = -1
pgsql.max_links = -1
sybct.allow_persistent = On
sybct.max_persistent = -1
sybct.max_links = -1

What should I do?

thank you