Probleme de mise à jour antivirus

Bonjour,

j'ai install avast & spyboot mais les mises à jour automatiques ne se font pas.
quand je demande à avast de faire une mise à jour de la base virale:
d26.10.2008 09:42:04 general: Started: 26.10.2008, 09:42:04
26.10.2008 09:42:04 general: Running setup_av_pro-4cd (1229)
26.10.2008 09:42:04 system: Operating system: WindowsXP ver 5.1, build 2600, sp 3.0 [Service Pack 3]
26.10.2008 09:42:04 system: Memory: 82% load. Phys:90572/523504K free, Page:576480/1274688K free, Virt:2068620/2097024K free
26.10.2008 09:42:04 system: Computer WinName: OERIGINES
26.10.2008 09:42:04 system: Windows Net User: OERIGINES\Benoît Fauveaux
26.10.2008 09:42:04 general: Cmdline: /downloadpkgs /noreboot /updatevps /silent /progress
26.10.2008 09:42:04 general: DldSrc set to inet
26.10.2008 09:42:04 general: Operation set to INST_OP_UPDATE_GET_PACKAGES
26.10.2008 09:42:04 general: Old version: 4b1 (1201)
26.10.2008 09:42:04 system: Using temp: C:\DOCUME~1\BENOTF~1\LOCALS~1\Temp\_av_proI.tm~a05288 (120835M free)
26.10.2008 09:42:04 general: SGW32P::CheckIfInstalled set m_bAlreadyInstalled to 1
26.10.2008 09:42:04 internet: SYNCER: Agent=Syncer/4.80 (av_pro-1229;p)
26.10.2008 09:42:04 system: Computer DnsName: OERIGINES
26.10.2008 09:42:04 system: Computer Ip Addr: 192.168.1.15
26.10.2008 09:42:04 system: Installed in: C:\Program Files\Alwil Software\Avast4 (120835M free)
26.10.2008 09:42:04 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:04 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:04 package: Part prg_av_pro-4cd is installed
26.10.2008 09:42:04 package: Part vps-8072700 is installed
26.10.2008 09:42:04 package: Part news-4b is installed
26.10.2008 09:42:04 package: Part setup_av_pro-4cd is installed
26.10.2008 09:42:04 package: Part jrog-45 is installed
26.10.2008 09:42:04 general: Old version: 4b1 (1201)
26.10.2008 09:42:12 file: SetExistingFilesBitmap: 1053->153->62
26.10.2008 09:42:12 general: GUID: 11d58907-ae27-4a7f-9f14-1443e5ea9963
26.10.2008 09:42:12 general: Server definition(s) loaded for 'main': 203 (maintenance:0)
26.10.2008 09:42:12 general: SelectCurrent: selected server 'Download672 AVAST Server' from 'main'
26.10.2008 09:42:12 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:12 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:12 general: Entered SetupProcessPro::Do( INST_OP_UPDATE_GET_PACKAGES )
26.10.2008 09:42:12 general: Entered SetupProcessWin32Avast::Do( INST_OP_UPDATE_GET_PACKAGES )
26.10.2008 09:42:12 general: Entered SetupProcessWin32::Do( INST_OP_UPDATE_GET_PACKAGES )
26.10.2008 09:42:12 general: Entered SetupProcess::Do( INST_OP_UPDATE_GET_PACKAGES )
26.10.2008 09:42:12 general: progress thread start
26.10.2008 09:42:13 internet: SYNCER: Agent=Syncer/4.80 (av_pro-1229;f)
26.10.2008 09:42:19 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:19 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:19 general: InvalidateCurrent: invalidated server 'Download672 AVAST Server' from 'main'
26.10.2008 09:42:19 general: SelectCurrent: selected server 'Download210 AVAST Server' from 'main'
26.10.2008 09:42:19 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:19 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:19 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 1
26.10.2008 09:42:19 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:19 general: InvalidateCurrent: invalidated server 'Download210 AVAST Server' from 'main'
26.10.2008 09:42:19 general: SelectCurrent: selected server 'Download677 AVAST Server' from 'main'
26.10.2008 09:42:19 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:19 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:19 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 2
26.10.2008 09:42:21 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:21 general: InvalidateCurrent: invalidated server 'Download677 AVAST Server' from 'main'
26.10.2008 09:42:21 general: SelectCurrent: selected server 'Download214 AVAST Server' from 'main'
26.10.2008 09:42:21 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:21 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:21 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 3
26.10.2008 09:42:24 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:24 general: InvalidateCurrent: invalidated server 'Download214 AVAST Server' from 'main'
26.10.2008 09:42:24 general: SelectCurrent: selected server 'Download968 AVAST Server' from 'main'
26.10.2008 09:42:24 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:24 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:24 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 4
26.10.2008 09:42:26 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:26 general: InvalidateCurrent: invalidated server 'Download968 AVAST Server' from 'main'
26.10.2008 09:42:26 general: SelectCurrent: selected server 'Download937 AVAST Server' from 'main'
26.10.2008 09:42:26 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:26 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:26 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 5
26.10.2008 09:42:28 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:28 general: InvalidateCurrent: invalidated server 'Download937 AVAST Server' from 'main'
26.10.2008 09:42:28 general: SelectCurrent: selected server 'Download208 AVAST Server' from 'main'
26.10.2008 09:42:28 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:28 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:28 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 6
26.10.2008 09:42:31 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:31 general: InvalidateCurrent: invalidated server 'Download208 AVAST Server' from 'main'
26.10.2008 09:42:31 general: SelectCurrent: selected server 'Download676 AVAST Server' from 'main'
26.10.2008 09:42:31 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:31 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:31 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 7
26.10.2008 09:42:33 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:33 general: InvalidateCurrent: invalidated server 'Download676 AVAST Server' from 'main'
26.10.2008 09:42:33 general: SelectCurrent: selected server 'Download608 AVAST Server' from 'main'
26.10.2008 09:42:33 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:33 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:33 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 8
26.10.2008 09:42:35 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:35 general: InvalidateCurrent: invalidated server 'Download608 AVAST Server' from 'main'
26.10.2008 09:42:35 general: SelectCurrent: selected server 'Download957 AVAST Server' from 'main'
26.10.2008 09:42:35 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:35 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:35 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 9
26.10.2008 09:42:37 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:37 general: InvalidateCurrent: invalidated server 'Download957 AVAST Server' from 'main'
26.10.2008 09:42:37 general: SelectCurrent: selected server 'Download679 AVAST Server' from 'main'
26.10.2008 09:42:37 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:37 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:37 internet: while trying to get file 'servers.def.vpu', error 0x20000004 has occured, try 10
26.10.2008 09:42:39 internet: tried 10 servers to get file 'servers.def.vpu', but failed (0x20000004)
26.10.2008 09:42:39 file: GetNewerStampedFile:GetFileWithRetry failed: C:\DOCUME~1\BENOTF~1\LOCALS~1\Temp\_av_proI.tm~a05288\onefile, servers.def.vpu, error: 0x20000004
26.10.2008 09:42:39 package: Download servers.def, servers.def.vpu failed with error 0x20000004.
26.10.2008 09:42:40 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:40 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:40 general: InvalidateCurrent: invalidated server 'Download679 AVAST Server' from 'main'
26.10.2008 09:42:40 general: SelectCurrent: selected server 'Download970 AVAST Server' from 'main'
26.10.2008 09:42:40 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:40 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:40 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 1
26.10.2008 09:42:40 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:40 general: InvalidateCurrent: invalidated server 'Download970 AVAST Server' from 'main'
26.10.2008 09:42:40 general: SelectCurrent: selected server 'Download615 AVAST Server' from 'main'
26.10.2008 09:42:40 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:40 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:40 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 2
26.10.2008 09:42:42 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:42 general: InvalidateCurrent: invalidated server 'Download615 AVAST Server' from 'main'
26.10.2008 09:42:42 general: SelectCurrent: selected server 'Download649 AVAST Server' from 'main'
26.10.2008 09:42:42 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:42 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:42 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 3
26.10.2008 09:42:44 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:44 general: InvalidateCurrent: invalidated server 'Download649 AVAST Server' from 'main'
26.10.2008 09:42:44 general: SelectCurrent: selected server 'Download949 AVAST Server' from 'main'
26.10.2008 09:42:44 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:44 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:44 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 4
26.10.2008 09:42:47 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:47 general: InvalidateCurrent: invalidated server 'Download949 AVAST Server' from 'main'
26.10.2008 09:42:47 general: SelectCurrent: selected server 'Download930 AVAST Server' from 'main'
26.10.2008 09:42:47 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:47 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:47 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 5
26.10.2008 09:42:49 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:49 general: InvalidateCurrent: invalidated server 'Download930 AVAST Server' from 'main'
26.10.2008 09:42:49 general: SelectCurrent: selected server 'Download610 AVAST Server' from 'main'
26.10.2008 09:42:49 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:49 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:49 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 6
26.10.2008 09:42:51 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:51 general: InvalidateCurrent: invalidated server 'Download610 AVAST Server' from 'main'
26.10.2008 09:42:51 general: SelectCurrent: selected server 'Download613 AVAST Server' from 'main'
26.10.2008 09:42:51 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:51 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:51 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 7
26.10.2008 09:42:53 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:53 general: InvalidateCurrent: invalidated server 'Download613 AVAST Server' from 'main'
26.10.2008 09:42:53 general: SelectCurrent: selected server 'Download98 AVAST Server' from 'main'
26.10.2008 09:42:53 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:53 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:53 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 8
26.10.2008 09:42:55 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:55 general: InvalidateCurrent: invalidated server 'Download98 AVAST Server' from 'main'
26.10.2008 09:42:55 general: SelectCurrent: selected server 'Download212 AVAST Server' from 'main'
26.10.2008 09:42:55 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:55 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:55 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 9
26.10.2008 09:42:58 internet: ERROR:HttpGetWininet, catch returned 0x00002EFD
26.10.2008 09:42:58 general: InvalidateCurrent: invalidated server 'Download212 AVAST Server' from 'main'
26.10.2008 09:42:58 general: SelectCurrent: selected server 'Download92 AVAST Server' from 'main'
26.10.2008 09:42:58 internet: SYNCER: Type: use IE settings
26.10.2008 09:42:58 internet: SYNCER: Auth: another authentication, use WinInet
26.10.2008 09:42:58 internet: while trying to get file 'servers.def', error 0x20000004 has occured, try 10
26.10.2008 09:43:00 internet: tried 10 servers to get file 'servers.def', but failed (0x20000004)
26.10.2008 09:43:00 file: GetNewerStampedFile:GetFileWithRetry failed: C:\DOCUME~1\BENOTF~1\LOCALS~1\Temp\_av_proI.tm~a05288\onefile, servers.def, error: 0x20000004
26.10.2008 09:43:00 package: Tried to download servers.def but failed with error 0x20000004.
26.10.2008 09:43:00 package: LoadAllDefs failed 0x20000004
26.10.2008 09:43:00 general: Err:Cannot connect to download212.avast.com (75.126.203.70:80)

idem pour spyboot.
que faire?
d'avance merci