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I am installing dotnet 3.5 service pack 1 for windows xp but it is showing error message as

D:\Documents and Settings\User\My Documents\dotnetx35.exe is not a valid Win32 application

how to solve this problem can anyone help me please?

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migrated from Jun 18 '11 at 1:14

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x86 vs x64? Corrupted download? – Darin Dimitrov Jun 17 '11 at 12:41

2 Answers 2

Classical sign of a corrupted package. Download and retry.

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This might be due to a bad installation file. You could start by using the .NET Cleanup tool to completely uninstall all Framework bits from your machine and then reinstall the .NET Framework 3.5 redist from Reference :

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