什么原因导致ClickOnce URLDownloadToCacheFile在安装过程中失败?

我在通过firefox安装ClickOnce应用程序时遇到以下错误。IE在同一台计算机上不会发生这种情况。我发誓我以前通过火狐安装过。这是一台Windows7机器。

The following properties have been set:
Property: [AdminUser] = true {boolean}
Property: [ProcessorArchitecture] = Intel {string}
Property: [VersionNT] = 6.1.0 {version}
Running checks for package '.NET Framework 2.0 (x86)', phase BuildList
Running external check with command 'C:\Users\luke\AppData\Local\Temp\VSDEF1A.tmp\DotNetFX\dotnetchk.exe' and parameters ''
Process exited with code 1
Setting value '1 {int}' for property 'DotNetInstalled'
Reading value 'Version' of registry key 'HKLM\Software\Microsoft\Internet Explorer'
Read string value '8.0.7600.16385'
Setting value '8.0.7600.16385 {string}' for property 'IEVersion'
The following properties have been set for package '.NET Framework 2.0 (x86)':
Property: [DotNetInstalled] = 1 {int}
Property: [IEVersion] = 8.0.7600.16385 {string}
Running checks for command 'DotNetFX\instmsia.exe'
Result of running operator 'ValueExists' on property 'VersionNT': true
Result of checks for command 'DotNetFX\instmsia.exe' is 'Bypass'
Running checks for command 'DotNetFX\WindowsInstaller-KB893803-v2-x86.exe'
Result of running operator 'ValueExists' on property 'Version9x': false
Result of running operator 'VersionLessThan' on property 'VersionNT' and value '5.0.3': false
Result of running operator 'VersionGreaterThanOrEqualTo' on property 'VersionMsi' and value '3.0': true
Result of checks for command 'DotNetFX\WindowsInstaller-KB893803-v2-x86.exe' is 'Bypass'
Running checks for command 'DotNetFX\dotnetfx.exe'
Result of running operator 'ValueNotEqualTo' on property 'DotNetInstalled' and value '0': true
Result of checks for command 'DotNetFX\dotnetfx.exe' is 'Bypass'
'.NET Framework 2.0 (x86)' RunCheck result: No Install Needed
Launching Application.
URLDownloadToCacheFile failed with HRESULT '-2146697211'
Error: An error occurred trying to download 'http://croppy.lukehunter.net/download/croppy.application'.

下面是微软的howto,但这不适用于firefox。也没有重定向发生。

如果用户设置了Internet Explorer 高级安全选项“警告 在安全和不安全之间切换 部署目标上的“模式” 如果 安装ClickOnce应用程序 从非安全重定向到 安全站点(反之亦然) 安装将失败,因为 它。