NET Framework3.5 sp1安装出错

紫夜篝火

谁能给解决呀，紧急紧急在线等答案……
下面是出错日志：
[11/02/09,17:03:21] Microsoft .NETFramework 2.0a: [2] Error: Installation failed for component Microsoft.NET Framework 2.0a. MSI returned error code 1603
[11/02/09,17:31:42]Microsoft .NET Framework 2.0a: [2] Error: Installation failed forcomponent Microsoft .NET Framework 2.0a. MSI returned error code 1603
[11/02/09,17:31:58] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed.
[11/02/09,18:08:32]Microsoft .NET Framework 2.0a: [2] Error: Installation failed forcomponent Microsoft .NET Framework 2.0a. MSI returned error code 1603
[11/02/09,18:20:04]Microsoft .NET Framework 2.0a: [2] Error: Installation failed forcomponent Microsoft .NET Framework 2.0a. MSI returned error code 1603
[11/02/09,18:20:19] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed.
[11/02/09,18:33:14]Microsoft .NET Framework 2.0a: [2] Error: Installation failed forcomponent Microsoft .NET Framework 2.0a. MSI returned error code 1603
[11/02/09,18:33:29] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed.
[11/02/09,18:54:26] Microsoft .NET Framework 2.0a: [2] Failed to fetch setup file in CBaseComponent::PreInstall()
[11/02/09,18:54:27]setup.exe: [2] ISetupComponent::Pre/Post/Install() failed inISetupManager::InternalInstallManager() with HRESULT -2147467260.
[11/02/09,18:54:27] setup.exe: [2] CSetupManager::RunInstallPhase() - Call to Pre/Install/Post for InstallComponents failed
[11/02/09,18:54:27]setup.exe: [2] CSetupManager::RunInstallPhaseAndCheckResults() -RunInstallPhase() returned a NULL piActionResults
[11/02/09,18:54:27] setup.exe: [2] CSetupManager::RunInstallFromList() - RunInstallPhaseAndCheckResults failed [2]
[11/02/09,18:54:27] setup.exe: [2] ISetupManager::RunInstallLists(IP_PREINSTALL failed in ISetupManager::RunInstallFromThread()
[11/02/09,18:54:27] setup.exe: [2] ISetupManager::RunInstallFromThread() failed in ISetupManager::RunInstall()
[11/02/09,18:54:27] setup.exe: [2] CSetupManager::Run() - Call to RunInstall() failed
[11/02/09,18:54:27] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed.
[11/02/09,18:54:27] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0 SP2 x86 was not attempted to be installed.
[11/02/09,18:54:27] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.5 'package' was not attempted to be installed.
[11/02/09,18:54:27] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.5LP - CHS was not attempted to be installed.
[11/02/09,18:58:19]Microsoft .NET Framework 2.0a: [2] Error: Installation failed forcomponent Microsoft .NET Framework 2.0a. MSI returned error code 1603
[11/02/09,18:58:34] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed.
[11/02/09,19:36:52]Microsoft .NET Framework 2.0a: [2] Error: Installation failed forcomponent Microsoft .NET Framework 2.0a. MSI returned error code 1603
[11/02/09,19:37:09] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed.

chen_c_yaun

在尝试安装 .NET Framework 1.0、1.1、2.0、3.0 或 3.5 的更新时，可能会收到 Windows Update 错误代码“0x643”或 Windows Installer 错误代码“1603”
http://support.microsoft.com/kb/923100/zh-cn