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Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603

  Asked By: Durril    Date: Jun 23    Category: C#    Views: 3141
  

I am getting following error while i am trying to install .net 3.5 on my system.

.Net 3.0 & 3.5 install errors

Error Message:

Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.

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1 Answer Found

 
Answer #1    Answered By: Ziza Mizrachi     Answered On: Jun 23

Solution:
Trial 1
Stop the World Wide Web service.
Open IIS and try to stop it from there, or goto My Computer. Right Click. Manage Services.
Then close service named World Wide Web Publishing.

Trial 2
1. Uninstall IIS service and related components.
2. Reinstall IIS server and asp.net etc.
3. Install dotnet3.5 .

 
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