关于版本控制工具GitHub安装报错

根据错误提示找到安装的日志文件

The following properties have been set:
Property: [AdminUser] = true {boolean}
Property: [InstallMode] = HomeSite {string}
Property: [NTProductType] = 1 {int}
Property: [ProcessorArchitecture] = AMD64 {string}
Property: [VersionNT] = 6.1.1 {version}
Running checks for package 'Microsoft .NET Framework 4 (x86 and x64)', phase BuildList
Reading value 'Version' of registry key 'HKLM\Software\Microsoft\NET Framework Setup\NDP\v4\Full'
Read string value '4.5.50709'
Setting value '4.5.50709 {string}' for property 'DotNet40Full_TargetVersion'
The following properties have been set for package 'Microsoft .NET Framework 4 (x86 and x64)':
Property: [DotNet40Full_TargetVersion] = 4.5.50709 {string}
Running checks for command 'DotNetFX40\dotNetFx40_Full_x86_x64.exe'
Result of running operator 'ValueEqualTo' on property 'InstallMode' and value 'HomeSite': true
Result of checks for command 'DotNetFX40\dotNetFx40_Full_x86_x64.exe' is 'Bypass'
Running checks for command 'DotNetFX40\dotNetFx40_Full_setup.exe'
Result of running operator 'ValueNotEqualTo' on property 'InstallMode' and value 'HomeSite': false
Result of running operator 'VersionGreaterThanOrEqualTo' on property 'DotNet40Full_TargetVersion' and value '4.0.30129': true
Result of checks for command 'DotNetFX40\dotNetFx40_Full_setup.exe' is 'Bypass'
'Microsoft .NET Framework 4 (x86 and x64)' RunCheck result: No Install Needed
Launching Application.
URLDownloadToCacheFile failed with HRESULT '-2146697208'
Error: An error occurred trying to download 'http://github-windows.s3.amazonaws.com/GitHub.application'.