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.NET on my web server is completely messed up. IIS would not start saying it could not load .net 2.0. I tried to repair .net 3.5 and it would error out. So I removed 3.5 and tried to reinstall it, again it errored out. I tried to repair 2.0 and got the same issues. Again then tried to uninstall 2.0 and the uninstall errored out. I used the .net clean up utility to remove everything .net. That completed successfully. now I am trying to install .net 2.0 service pack one and it too is erroring out saying

 Microsoft .NET Framework 2.0a: [2] Error: Installation failed for component Microsoft   
.NET Framework 2.0a. MSI returned error code 1603

We are completely dead. Please any help possible would be great

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migrated from Jul 26 '10 at 16:20

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Anything in your event log? – Chris Diver Jul 26 '10 at 16:13
What windows version? Some versions are baked into the OS, and they need to be enabled/installed/updated through Windows Control Panels. – Nate Jul 26 '10 at 16:18
The OS is server 2003 – twal Jul 26 '10 at 16:21

Look to see if you have any dead / hung msiexec processes, maybe MSI has crapped out on you and not gone away.

Have a look at this blog post as well to help narrow down that could be causing the 1603 failure.

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