Visual Studio não instala corretamente no Windows 10

Atualizei meu laptop para o Windows 10 (sem edição prévia - a verdadeira!). Em seguida, instalei o Visual Studio Community Edition 2015 (já tenho o VS 2013 instalado) para poder começar a usar a funcionalidade Cordova. A instalação agita e queima por um longo tempo e finalmente termina com uma página cheia de avisos. Os avisos parecem corresponder às entradas no arquivo de log (na parte inferior desta postagem). Tentei desinstalar / reinstalar o VS2015 pensando que um problema de conexão era o culpado - isso não funcionou. Eu baixei o ISO, desinstalei e reinstalei do ISO - mesmo problema. Bem, pensei em tentar criar um aplicativo de qualquer maneira, mas fui recebido com a maravilhosa caixa de mensagem "Objeto não definido para uma referência ...." que, é claro, não dá uma pista do que está acontecendo em. Então - reiniciei o VS2015 e apenas tentei criar um novo projeto que não fosse o Cordova - fui recebido com a mesma caixa de diálogo "Objeto não definido para uma referência ...". Consegui abrir um projeto existente do VS 2013 - funcionou bem. Então, tentei repetir essa maravilhosa aventura no Windows 7. Tudo funcionou bem. Minha conclusão é que existe algum tipo de problema entre o Win10 e o VS2015. O VS2013 funciona muito bem no Win10 e no Win7 - e o VS2015 funciona bem no Win7. Eu realmente quero atualizar nossa equipe para o Win10 (alguns deles, infelizmente, estão no Win8.1), e também queremos mudar para o VS2015, mas não podemos avançar até sabermos o que está acontecendo aqui.

Finalmente, instalei o CTP das extensões Cordova no VS 2013 (mas tive que fazer isso no meu Win10 e no meu Win7 para que eu pudesse compartilhar a solução entre eles) só para continuar - isso funciona muito bem.

Verifiquei novamente e o serviço BITS diz que está sendo executado na caixa Win10.

Qualquer ajuda?

Snip de registro abaixo:

[2AB8:23DC][2015-08-04T07:41:17]i000: MUX:  Source confirmed
[2AB8:2954][2015-08-04T07:41:18]i000: MUX:  Finished connecting secondary installer pipe
[2AB8:23A4][2015-08-04T07:41:24]i000: MUX:  Updating secondary installer progress display name: TypeScript for Visual Studio
[2AB8:23A4][2015-08-04T07:41:35]i000: MUX:  Updating secondary installer progress display name: KB3073097
[2AB8:23A4][2015-08-04T07:44:21]i000: MUX:  Updating secondary installer progress display name: Windows 10 SDK 10.0.10240
[2AB8:23A4][2015-08-04T07:44:25]i000: MUX:  Updating secondary installer progress display name: Android SDK Setup (API Level 19 and 21)
[2AB8:23A4][2015-08-04T07:45:57]i000: MUX:  Updating secondary installer progress display name: Microsoft Visual Studio Emulator for Android
[2AB8:23A4][2015-08-04T07:46:50]i000: MUX:  Updating secondary installer progress display name: Apache Ant (1.9.3)
[2AB8:23A4][2015-08-04T07:47:04]i000: MUX:  Updating secondary installer progress display name: Android Native Development Kit (R10E, 32 bits)
[2AB8:23A4][2015-08-04T07:52:55]i000: MUX:  Updating secondary installer progress display name: Tools for Windows 10 Universal Apps (Windows SDK 10.0.10240)
[2AB8:23A4][2015-08-04T07:53:00]i000: MUX:  Updating secondary installer progress display name: Android SDK Setup (API Level 22)
[2AB8:23A4][2015-08-04T07:53:02]i000: MUX:  Updating secondary installer progress display name: Visual C++ iOS Development
[2AB8:23A4][2015-08-04T07:53:08]i000: MUX:  Updating secondary installer progress display name: Visual C++ Android Development
[2AB8:23A4][2015-08-04T07:53:14]i000: MUX:  Updating secondary installer progress display name: HTML/JavaScript (Apache Cordova) Update 1
[2AB8:23A4][2015-08-04T07:53:22]i000: MUX:  Updating secondary installer progress display name: C#/.NET (Xamarin)
[2AB8:23A4][2015-08-04T07:58:05]i000: MUX:  Updating secondary installer progress display name: Emulators for Windows Mobile 10.0.10240
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: TypeScript for Visual Studio : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: KB3073097 : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Windows 10 SDK 10.0.10240 : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Android SDK Setup (API Level 19 and 21) : This product did not download successfully: BITS download failed. BITS service may have been disabled on the machine.
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Microsoft Visual Studio Emulator for Android : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Apache Ant (1.9.3) : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Android Native Development Kit (R10E, 32 bits) : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Tools for Windows 10 Universal Apps (Windows SDK 10.0.10240) : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Android SDK Setup (API Level 22) : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Visual C++ iOS Development : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Visual C++ Android Development : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: HTML/JavaScript (Apache Cordova) Update 1 : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: C#/.NET (Xamarin) : This product did not download successfully: 
[2AB8:1968][2015-08-04T07:58:08]i000: MUX:  ExecuteError: Package (VSSecondaryInstaller_box) failed: Error Message Id: 1603 ErrorMessage: Emulators for Windows Mobile 10.0.10240 : This product did not download successfully: 
[1C70:27A4][2015-08-04T07:58:39]e000: Error 0x80048648: Process returned error: 0x80048648
[1C70:27A4][2015-08-04T07:58:39]e000: Error 0x80048648: Failed to execute EXE package.
[2AB8:1968][2015-08-04T07:58:39]e000: Error 0x80048648: Failed to configure per-machine EXE package.
[2AB8:1968][2015-08-04T07:58:39]i000: MUX:  Installation size in bytes for package: VSSecondaryInstaller_box MaxAppDrive: 0  MaxSysDrive: 4192628136  AppDrive: 0  SysDrive: 4186217896
[2AB8:1968][2015-08-04T07:58:39]i000: MUX:  ExecutePackageComplete for secondary installer
[2AB8:1968][2015-08-04T07:58:39]i000: MUX:  Disconnecting secondary installer pipe
[2AB8:1968][2015-08-04T07:58:39]i000: MUX:  Return Code:0x80048648 Msi Messages:TypeScript for Visual Studio : This product did not download successfully:  Result Detail:0 Restart:None
[2AB8:1968][2015-08-04T07:58:39]i000: MUX:  Set Result: Return Code=-2147187128 (0x80048648), Error Message=TypeScript for Visual Studio : This product did not download successfully: , Result Detail=, Vital=False, Package Action=Install, Package Id=VSSecondaryInstaller_box
[2AB8:1968][2015-08-04T07:58:39]i000: Setting string variable 'BundleResult' to value '0'
[2AB8:1968][2015-08-04T07:58:39]w350: Applied non-vital package: VSSecondaryInstaller_box, encountered error: 0x80048648. Continuing...
[2AB8:1968][2015-08-04T07:58:39]i000: MUX:  ExecutePackageBegin PackageId: community_finalizer

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