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.Net framework 3.5 has been installed in a PC. In that PC, I like to install the application which developed using .Net 1.1 framework.

Should I install .Net 1.1? If I do that will it cause any problems?

Thanks, P.Gopalakrishnan.

gopal
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2 Answers2

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.NET 3.5 installs .NET 1.1 also. Hence in general the app will run fine. But Vista onwards you need to separately install a special .NET 1.1 re-distributable.

Ganesh R.
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  • You mean from windows 7 onwards, I have to separately install .Net 1.1? – gopal Aug 03 '09 at 05:44
  • No not only Windows 7,Vista & Windows 2008 too. Vista has .NET 2 (without .NET 1.1) pre installed. – Ganesh R. Aug 03 '09 at 05:51
  • Ok, Can I install .Net 1.1 on top of .Net 2 (preinstalled)? – gopal Aug 03 '09 at 05:58
  • Yes. There is a special vway to install .NET 1.1 on Vista. http://www.mydigitallife.info/2007/12/27/install-microsoft-net-framework-11-on-windows-vista-fix-regsvcsexe-fails-error/ – Ganesh R. Aug 03 '09 at 06:04
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As far as I know, the frameworks are mostly backward compatible. So try running the app on 3.5.

Don Kirkby
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