title: Visual Studio 2010 Prerequisites x64 installation error
body: <p>Installing Visual Studio 2010, <strong>installation stops at Visual Studio 2010 Prerequisites x64</strong></p>
  
  <p>I have:
  Windows 7 Ultimate x64</p>
  
  <p>I tried installing it manually and it also failed</p>
  
  <p>The message says Setup Failed and the error log says:</p>
  
  <pre><code>[08/22/12,09:53:11] MSITOSIT: [2] CRootComponent::SetManager() - The Windows Installer package:
  j:\vs_setup.msi
  could not be opened.
  
  Choose Retry to try again. Choose Cancel for exit setup.
  [08/22/12,09:53:51] MSITOSIT: [2] CRootComponent::SetManager() - The Windows Installer package:
  j:\vs_setup.msi
  could not be opened.
  
  Choose Retry to try again. Choose Cancel for exit setup.
  [08/22/12,09:53:54] MSITOSIT: [2] CRootComponent::SetManager() - The Windows Installer package:
  j:\vs_setup.msi
  could not be opened.
  
  Choose Retry to try again. Choose Cancel for exit setup.
  [08/22/12,09:53:54] MSITOSIT: [2] CRootComponent::SetManager() - The Windows Installer package:
  j:\vs_setup.msi
  could not be opened.
  
  Choose Retry to try again. Choose Cancel for exit setup.
  [08/22/12,09:53:55] setup.exe: [2] ISetupModule::SetManager() failed in ISetupManager::LoadSetupObjectGuid() : vs_setup.dll
  [08/22/12,09:53:55] setup.exe: [2] CSetupManager::LoadSetupObjectname() - Failed in call to LoadSetupObjectGuid() for strName:  in file: vs_setup.dll
  [08/22/12,09:53:55] setup.exe: [0] LoadComponent(), LoadSetupObjectName failure: vs_setup.dll
  [08/22/12,09:53:55] setup.exe: [0] LoadComponent failed in ISetupManager::LoadComponentsFromDBObject(): vs_setup.dll
  [08/22/12,09:53:55] setup.exe: [2] CSetupManager::LoadDatabaseValues() - Failed in call to LoadComponentsFroMDBObjects()
  [08/22/12,09:53:55] setup.exe: [2] CSetupManager::RunIntro() - Failed to Load Database Values
  [08/22/12,09:53:56] setup.exe: [2] CSetupManager::RunLoadSetup() - Failed to Run the Intro
  ***EndOfSession***[08/22/12,10:00:25] MSITOSIT: [2] CRootComponent::SetManager() - The Windows Installer package:
  j:\vs_setup.msi
  could not be opened.
  
  Choose Retry to try again. Choose Cancel for exit setup.
  [08/22/12,10:00:28] setup.exe: [2] ISetupModule::SetManager() failed in ISetupManager::LoadSetupObjectGuid() : vs_setup.dll
  [08/22/12,10:00:29] setup.exe: [2] CSetupManager::LoadSetupObjectname() - Failed in call to LoadSetupObjectGuid() for strName:  in file: vs_setup.dll
  [08/22/12,10:00:29] setup.exe: [0] LoadComponent(), LoadSetupObjectName failure: vs_setup.dll
  [08/22/12,10:00:29] setup.exe: [0] LoadComponent failed in ISetupManager::LoadComponentsFromDBObject(): vs_setup.dll
  [08/22/12,10:00:29] setup.exe: [2] CSetupManager::LoadDatabaseValues() - Failed in call to LoadComponentsFroMDBObjects()
  [08/22/12,10:00:29] setup.exe: [2] CSetupManager::RunIntro() - Failed to Load Database Values
  [08/22/12,10:00:35] setup.exe: [2] CSetupManager::RunLoadSetup() - Failed to Run the Intro
  ***EndOfSession***[08/22/12,10:40:38] Microsoft Visual Studio 2010 64bit Prerequisites (x64): [2] Error: Installation failed for component Microsoft Visual Studio 2010 64bit Prerequisites (x64). MSI returned error code 1603
  [08/22/12,10:40:40] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 64bit Prerequisites (x64) is not installed.
  [08/22/12,10:40:40] VS70pgui: [2] DepCheck indicates Microsoft Visual F# 2.0 Runtime was not attempted to be installed.
  .....
  ....
  ...
  </code></pre>