windows media player ne veut plus ouvrir fichiers wmv et asf

depuis une semaine mon lecteur windows media player affiche un message d'erreur et se ferme des que j'ouvre des fichiers wmv, asf et asx, et pourtant, ces fichiers marchent avec tous les autres lecteurs.

Dans le message d'erreur il y a ceci:
<?xml version="1.0" encoding="UTF-16"?>
<DATABASE>
<EXE NAME="wmplayer.exe" FILTER="GRABMI_FILTER_PRIVACY">
<MATCHING_FILE NAME="custsat.dll" SIZE="28672" CHECKSUM="0xA3A3A810" BIN_FILE_VERSION="1.0.18.1900" BIN_PRODUCT_VERSION="1.0.18.1900" PRODUCT_VERSION="1.00.0018.1900" FILE_DESCRIPTION="custsat" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) CustSat DLL" FILE_VERSION="1.00.0018.1900 (xpsp.040420-1835)" ORIGINAL_FILENAME="custsat.dll" INTERNAL_NAME="custsat" LEGAL_COPYRIGHT="© Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0xE989" LINKER_VERSION="0x50001" UPTO_BIN_FILE_VERSION="1.0.18.1900" UPTO_BIN_PRODUCT_VERSION="1.0.18.1900" LINK_DATE="04/21/2004 04:17:56" UPTO_LINK_DATE="04/21/2004 04:17:56" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="migrate.exe" SIZE="991232" CHECKSUM="0xF6474F8C" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="MLS Migrate DLL" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft® Windows Media Services" FILE_VERSION="10.00.00.3802 built by: dnsrv(bld4act)" ORIGINAL_FILENAME="migrate.exe" INTERNAL_NAME="migrate.exe" LEGAL_COPYRIGHT="© Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0xF62D8" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 09:26:02" UPTO_LINK_DATE="01/28/2005 09:26:02" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="mplayer2.exe" SIZE="4639" CHECKSUM="0xD933510" BIN_FILE_VERSION="6.4.9.1125" BIN_PRODUCT_VERSION="6.4.9.1125" PRODUCT_VERSION="6.4.09.1125" FILE_DESCRIPTION="Windows Media Player" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft Windows Media Player" FILE_VERSION="6.4.09.1125" ORIGINAL_FILENAME="MPlayer2.exe" INTERNAL_NAME="MPlayer2.exe" LEGAL_COPYRIGHT="Copyright (C) 1992-1999 Microsoft Corp." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0xAFF9" LINKER_VERSION="0x50000" UPTO_BIN_FILE_VERSION="6.4.9.1125" UPTO_BIN_PRODUCT_VERSION="6.4.9.1125" LINK_DATE="07/30/2002 01:25:22" UPTO_LINK_DATE="07/30/2002 01:25:22" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="mpvis.dll" SIZE="352256" CHECKSUM="0xF00B3261" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Windows Media Player Visualization" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="MPVIS.DLL" INTERNAL_NAME="MPVIS.DLL" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x5A150" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 16:53:16" UPTO_LINK_DATE="01/28/2005 16:53:16" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="msoobci.dll" SIZE="47616" CHECKSUM="0x1DDFDC4E" BIN_FILE_VERSION="5.2.3790.1216" BIN_PRODUCT_VERSION="5.2.3790.1216" PRODUCT_VERSION="5.2.3790.1216" FILE_DESCRIPTION="Out of Band Component Installer" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft® Windows® Operating System" FILE_VERSION="5.2.3790.1216 (dnsrv_dev(mariant).040225-1544)" ORIGINAL_FILENAME="MSOOBCI.DLL" INTERNAL_NAME="MSOOBCI.DLL" LEGAL_COPYRIGHT="© Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x12DF3" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="5.2.3790.1216" UPTO_BIN_PRODUCT_VERSION="5.2.3790.1216" LINK_DATE="07/08/2004 23:23:52" UPTO_LINK_DATE="07/08/2004 23:23:52" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="npdrmv2.dll" SIZE="226816" CHECKSUM="0x783559A2" BIN_FILE_VERSION="9.0.0.3250" BIN_PRODUCT_VERSION="9.0.0.3250" PRODUCT_VERSION="9.00.00.3250" FILE_DESCRIPTION="DRM Netscape Network Object" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft® DRM" FILE_VERSION="9.00.00.3250" ORIGINAL_FILENAME="npdrmv2.dll" INTERNAL_NAME="npdrmv2.dll" LEGAL_COPYRIGHT="© Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x38157" LINKER_VERSION="0x50001" UPTO_BIN_FILE_VERSION="9.0.0.3250" UPTO_BIN_PRODUCT_VERSION="9.0.0.3250" LINK_DATE="08/04/2004 07:56:19" UPTO_LINK_DATE="08/04/2004 07:56:19" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="npdsplay.dll" SIZE="364544" CHECKSUM="0x720B0012" BIN_FILE_VERSION="3.0.2.628" BIN_PRODUCT_VERSION="3.0.2.628" PRODUCT_VERSION="3.0.2.628" FILE_DESCRIPTION="Npdsplay dll" COMPANY_NAME="Microsoft Corporation (written by Digital Renaissance Inc.)" PRODUCT_NAME="Windows Media Player Plug-in Dynamic Link Library" FILE_VERSION="3.0.2.628" ORIGINAL_FILENAME="Npdsplay.dll" INTERNAL_NAME="Npdsplay" LEGAL_COPYRIGHT="Copyright (C) 1999-2001" VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x599D2" LINKER_VERSION="0x0" UPTO_BIN_FILE_VERSION="3.0.2.628" UPTO_BIN_PRODUCT_VERSION="3.0.2.628" LINK_DATE="08/04/2004 07:56:20" UPTO_LINK_DATE="08/04/2004 07:56:20" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="npwmsdrm.dll" SIZE="10240" CHECKSUM="0x2EE2513C" BIN_FILE_VERSION="9.0.0.3250" BIN_PRODUCT_VERSION="9.0.0.3250" PRODUCT_VERSION="9.00.00.3250" FILE_DESCRIPTION="DRM Store Netscape Plugin" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft® DRM" FILE_VERSION="9.00.00.3250" ORIGINAL_FILENAME="npwmsdrm.dll" INTERNAL_NAME="npwmsdrm.dll" LEGAL_COPYRIGHT="© Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x7E2F" LINKER_VERSION="0x50001" UPTO_BIN_FILE_VERSION="9.0.0.3250" UPTO_BIN_PRODUCT_VERSION="9.0.0.3250" LINK_DATE="08/04/2004 07:56:22" UPTO_LINK_DATE="08/04/2004 07:56:22" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="setup_wm.exe" SIZE="819200" CHECKSUM="0x15D7021D" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Microsoft Windows Media Configuration Utility" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="setup_wm" INTERNAL_NAME="setup_wm" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0xD2989" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 09:26:04" UPTO_LINK_DATE="01/28/2005 09:26:04" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="wmlaunch.exe" SIZE="122880" CHECKSUM="0x6F0889C8" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Windows Media Player Launcher" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="WMLaunch.exe" INTERNAL_NAME="WMLaunch.exe" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0x24CA6" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 09:26:26" UPTO_LINK_DATE="01/28/2005 09:26:26" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="wmpband.dll" SIZE="77824" CHECKSUM="0xBCB8D325" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Windows Media Player" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="WMDBAND.DLL" INTERNAL_NAME="WMDBAND.DLL" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x1E6BB" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 16:53:14" UPTO_LINK_DATE="01/28/2005 16:53:14" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="wmpenc.exe" SIZE="28672" CHECKSUM="0xFF502786" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Windows Media Player Encoder Helper" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="WMPENC.EXE" INTERNAL_NAME="WMPENC.EXE" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0xC565" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 09:26:28" UPTO_LINK_DATE="01/28/2005 09:26:28" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="wmplayer(2).exe" SIZE="73728" CHECKSUM="0x590699F4" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Windows Media Player" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="WMPLAYER.EXE" INTERNAL_NAME="WMPLAYER.EXE" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0x1F467" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 16:38:59" UPTO_LINK_DATE="01/28/2005 16:38:59" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="wmplayer(3).exe" SIZE="73728" CHECKSUM="0x590699F4" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Windows Media Player" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="WMPLAYER.EXE" INTERNAL_NAME="WMPLAYER.EXE" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0x1F467" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 16:38:59" UPTO_LINK_DATE="01/28/2005 16:38:59" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="wmplayer.exe" SIZE="73728" CHECKSUM="0x590699F4" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Windows Media Player" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="WMPLAYER.EXE" INTERNAL_NAME="WMPLAYER.EXE" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0x1F467" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 16:38:59" UPTO_LINK_DATE="01/28/2005 16:38:59" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="wmpns.dll" SIZE="221184" CHECKSUM="0x804ACADE" BIN_FILE_VERSION="9.0.0.3250" BIN_PRODUCT_VERSION="9.0.0.3250" PRODUCT_VERSION="9.00.00.3250" FILE_DESCRIPTION="Windows Media Player Applet Support DLL" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="9.00.00.3250" ORIGINAL_FILENAME="WMPNS.DLL" INTERNAL_NAME="WMPNS.DLL" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x41EBD" LINKER_VERSION="0x50001" UPTO_BIN_FILE_VERSION="9.0.0.3250" UPTO_BIN_PRODUCT_VERSION="9.0.0.3250" LINK_DATE="08/04/2004 07:57:42" UPTO_LINK_DATE="08/04/2004 07:57:42" VER_LANGUAGE="Englisch (USA) [0x409]" />
<MATCHING_FILE NAME="wmsetsdk.exe" SIZE="819200" CHECKSUM="0x15D7021D" BIN_FILE_VERSION="10.0.0.3802" BIN_PRODUCT_VERSION="10.0.0.3802" PRODUCT_VERSION="10.00.00.3802" FILE_DESCRIPTION="Microsoft Windows Media Configuration Utility" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft(R) Windows Media Player" FILE_VERSION="10.00.00.3802" ORIGINAL_FILENAME="setup_wm" INTERNAL_NAME="setup_wm" LEGAL_COPYRIGHT="(C) Microsoft Corporation. All rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x4" VERFILETYPE="0x1" MODULE_TYPE="WIN32" PE_CHECKSUM="0xD2989" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="10.0.0.3802" UPTO_BIN_PRODUCT_VERSION="10.0.0.3802" LINK_DATE="01/28/2005 09:26:04" UPTO_LINK_DATE="01/28/2005 09:26:04" VER_LANGUAGE="Englisch (USA) [0x409]" />
</EXE>
<EXE NAME="kernel32.dll" FILTER="GRABMI_FILTER_THISFILEONLY">
<MATCHING_FILE NAME="kernel32.dll" SIZE="1057280" CHECKSUM="0xD52AA7B7" BIN_FILE_VERSION="5.1.2600.2180" BIN_PRODUCT_VERSION="5.1.2600.2180" PRODUCT_VERSION="5.1.2600.2180" FILE_DESCRIPTION="Client-DLL für Windows NT-Basis-API" COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Betriebssystem Microsoft® Windows®" FILE_VERSION="5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)" ORIGINAL_FILENAME="kernel32" INTERNAL_NAME="kernel32" LEGAL_COPYRIGHT="© Microsoft Corporation. Alle Rechte vorbehalten." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x108430" LINKER_VERSION="0x50001" UPTO_BIN_FILE_VERSION="5.1.2600.2180" UPTO_BIN_PRODUCT_VERSION="5.1.2600.2180" LINK_DATE="08/04/2004 07:57:08" UPTO_LINK_DATE="08/04/2004 07:57:08" VER_LANGUAGE="Deutsch (Deutschland) [0x407]" />
</EXE>
</DATABASE>

est ce que quelqu'un peut m'aider?

edit? je comprends pas