I am recieving the exact same thing, for both iAVS and program updating.
this started about 2 weeks ago, and I thought as you did, that perhaps there was a server/routing issue, and that it would be back up, yet that seems to not be the case.
here is the iAVS logfile
12.09.2004 15:59:28 general: Started: 12.09.2004, 15:59:28
12.09.2004 15:59:28 general: Running setup_av_pro-1c6 (454)
12.09.2004 15:59:28 system: Operating system: WindowsXP ver 5.1, build 2600, sp 1.0 [Service Pack 1]
12.09.2004 15:59:28 system: Computer WinName: SYN
12.09.2004 15:59:28 system: Windows Net User: SYN\Synthetik
12.09.2004 15:59:28 general: Cmdline: /downloadpkgs /noreboot /updatevps /silent /progress
12.09.2004 15:59:28 general: DldSrc set to inet
12.09.2004 15:59:28 general: Operation set to INST_OP_UPDATE_GET_PACKAGES
12.09.2004 15:59:28 general: Old version: 1c6 (454)
12.09.2004 15:59:28 general: SGW32P::CheckIfInstalled set m_bAlreadyInstalled to 1
12.09.2004 15:59:28 system: Computer DnsName: syn
12.09.2004 15:59:28 system: Computer Ip Addr: xx.x.xx.xxx
12.09.2004 15:59:28 internet: SYNCER: Type: -1
12.09.2004 15:59:28 internet: SYNCER: Auth: 0
12.09.2004 15:59:29 package: Part prg_av_pro-1c6 is installed
12.09.2004 15:59:29 package: Part vps-43600 is installed
12.09.2004 15:59:29 package: Part news-40 is installed
12.09.2004 15:59:29 package: Part setup_av_pro-1c6 is installed
12.09.2004 15:59:29 general: Old version: 1c6 (454)
12.09.2004 15:59:29 file: SetExistingFilesBitmap: 361->109->109
12.09.2004 15:59:29 general: GUID: 64af60c3-670a-421a-b4d3-f92c3bc8169f
12.09.2004 15:59:29 general: Server definition(s) loaded for 'main': 1 (maintenance:0)
12.09.2004 15:59:29 general: SelectCurrent: selected server 'Test (external beta)' from 'main'
12.09.2004 15:59:29 general: Entered SetupProcessPro::Do( INST_OP_UPDATE_GET_PACKAGES )
12.09.2004 15:59:29 general: Entered SetupProcessWin32Avast::Do( INST_OP_UPDATE_GET_PACKAGES )
12.09.2004 15:59:29 general: Entered SetupProcessWin32::Do( INST_OP_UPDATE_GET_PACKAGES )
12.09.2004 15:59:29 general: Entered SetupProcess::Do( INST_OP_UPDATE_GET_PACKAGES )
12.09.2004 15:59:29 general: progress thread start
12.09.2004 15:59:29 general: progress start - 1
12.09.2004 15:59:29 general: progress start - 2
12.09.2004 15:59:29 general: Server definition(s) loaded for 'main': 1 (maintenance:0)
12.09.2004 15:59:29 general: SelectCurrent: selected server 'Test (external beta)' from 'main'
12.09.2004 15:59:36 general: InvalidateCurrent: invalidated server 'Test (external beta)' from 'main'
12.09.2004 15:59:36 general: SelectCurrent: unable to find any suitable server in 'main'
12.09.2004 15:59:36 internet: while trying to get file 'prod-av_pro.vpu', error 0x20000006 has occured, try 1
12.09.2004 15:59:36 internet: tried 1 servers to get file 'prod-av_pro.vpu', but failed (0x20000006)
12.09.2004 15:59:36 package: Tried to download prod-av_pro.vpu but failed with error 0x20000006
12.09.2004 15:59:36 general: progress end - 1
12.09.2004 15:59:36 general: progress end - 0
12.09.2004 15:59:36 general: progress thread end
12.09.2004 15:59:36 general: Err:Other HTTP error (404), while trying 195.47.75.50:80//beta/prod-av_pro.vpu
here is the program logfile
12.09.2004 16:05:41 general: Started: 12.09.2004, 16:05:41
12.09.2004 16:05:41 general: Running setup_av_pro-1c6 (454)
12.09.2004 16:05:41 system: Operating system: WindowsXP ver 5.1, build 2600, sp 1.0 [Service Pack 1]
12.09.2004 16:05:41 system: Computer WinName: SYN
12.09.2004 16:05:41 system: Windows Net User: SYN\Synthetik
12.09.2004 16:05:41 general: Cmdline: /downloadpkgs /noreboot /silent /progress
12.09.2004 16:05:41 general: DldSrc set to inet
12.09.2004 16:05:41 general: Operation set to INST_OP_UPDATE_GET_PACKAGES
12.09.2004 16:05:41 general: Old version: 1c6 (454)
12.09.2004 16:05:41 general: SGW32P::CheckIfInstalled set m_bAlreadyInstalled to 1
12.09.2004 16:05:41 system: Computer DnsName: syn
12.09.2004 16:05:41 system: Computer Ip Addr: xx.x.xx.xxx
12.09.2004 16:05:41 internet: SYNCER: Type: -1
12.09.2004 16:05:41 internet: SYNCER: Auth: 0
12.09.2004 16:05:41 package: Part prg_av_pro-1c6 is installed
12.09.2004 16:05:41 package: Part vps-43600 is installed
12.09.2004 16:05:41 package: Part news-40 is installed
12.09.2004 16:05:41 package: Part setup_av_pro-1c6 is installed
12.09.2004 16:05:41 general: Old version: 1c6 (454)
12.09.2004 16:05:42 file: SetExistingFilesBitmap: 361->109->109
12.09.2004 16:05:42 general: GUID: 64af60c3-670a-421a-b4d3-f92c3bc8169f
12.09.2004 16:05:42 general: Server definition(s) loaded for 'main': 1 (maintenance:0)
12.09.2004 16:05:42 general: SelectCurrent: selected server 'Test (external beta)' from 'main'
12.09.2004 16:05:42 general: Entered SetupProcessPro::Do( INST_OP_UPDATE_GET_PACKAGES )
12.09.2004 16:05:42 general: Entered SetupProcessWin32Avast::Do( INST_OP_UPDATE_GET_PACKAGES )
12.09.2004 16:05:42 general: Entered SetupProcessWin32::Do( INST_OP_UPDATE_GET_PACKAGES )
12.09.2004 16:05:42 general: Entered SetupProcess::Do( INST_OP_UPDATE_GET_PACKAGES )
12.09.2004 16:05:42 general: progress thread start
12.09.2004 16:05:42 general: progress start - 1
12.09.2004 16:05:42 general: progress start - 2
12.09.2004 16:05:42 general: Server definition(s) loaded for 'main': 1 (maintenance:0)
12.09.2004 16:05:42 general: SelectCurrent: selected server 'Test (external beta)' from 'main'
12.09.2004 16:05:49 general: InvalidateCurrent: invalidated server 'Test (external beta)' from 'main'
12.09.2004 16:05:49 general: SelectCurrent: unable to find any suitable server in 'main'
12.09.2004 16:05:49 internet: while trying to get file 'prod-av_pro.vpu', error 0x20000006 has occured, try 1
12.09.2004 16:05:49 internet: tried 1 servers to get file 'prod-av_pro.vpu', but failed (0x20000006)
12.09.2004 16:05:49 package: Tried to download prod-av_pro.vpu but failed with error 0x20000006
12.09.2004 16:05:49 general: progress end - 1
12.09.2004 16:05:49 general: progress end - 0
12.09.2004 16:05:49 general: progress thread end
12.09.2004 16:05:49 general: Err:Other HTTP error (404), while trying 195.47.75.50:80//beta/prod-av_pro.vpu