我下载的２００８，但是每次安装都显示安装失败，并出现2008/1/30 21:33:1] Start SetupWizard on INSTALL mode for Kingsoft Internet Security Suit.
[RegisterComponents] ...
  Failed:   Register C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\Flash.OCX with result #5.
  Successfully:   Register C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KAVEvent.DLL with result #0.
[RegisterServers_DB] ...
  Successfully:   Register BootClean with result #0.
  Successfully:   [WRITE REGISTRY] HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\KavPFW="C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KAVPFW.exe" with result #0.
  Successfully:   [WRITE REGISTRY] HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run\KavStart="C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KAVStart.exe" -startup with result #0.
  Successfully:   Register KISSvc server with result #0.
  Successfully:   Register KWatch server with result #0.
  Failed:   Register KPfwSvc server with result #-2147467259.
[StartService_PFW] ...
  Successfully:   LaunchAppEx for C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KPfwSvc.EXE -r successfully.
  Failed:   Exit code from C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KPfwSvc.EXE is -2147467259.
[StartService_DB] ...
  Successfully:   LaunchAppEx for C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KISSvc.EXE /start successfully.
  Successfully:   Exit code from C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KISSvc.EXE is 0.
  Successfully:   LaunchAppEx for C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KWatch.exe /start successfully.
  Failed:   Exit code from C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KWatch.exe is -2147467259.
  Successfully:   Launch C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KavStart.exe successfully.

Install Failed!　　
这个到底是怎么回事啊：（

很可能与病毒干扰有关，也可能与旧版本没有卸载干净有关。

推荐看看客服网站上的手动卸载旧版毒霸。全部卸载干净后，再重装试试。