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I have Windows XP Service Pack-2 on my PC. When I tried to install .NET 3.5 SP1 from following link: http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=22 then during the installation part, the setup shows me an error that regsvcs.exe application Error and installation failed!

Lucifer
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Azeem
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  • this post should be moved other Stack exchange sites I think.... – Harshith J.V. Mar 17 '12 at 09:18
  • Anyways is there `windows installer 3.1` in your system? If not install it and try ... – Harshith J.V. Mar 17 '12 at 09:19
  • yes i have windows installer 4 installed. .NET Setup successfully downloaded whole package but this error shows up in installation process. any ideas? – Azeem Mar 17 '12 at 09:27
  • you need `windows installer 3.1` only I think - http://www.microsoft.com/download/en/details.aspx?id=21#instructions , not `windows installer 4` – Harshith J.V. Mar 17 '12 at 09:37
  • I installed windows installer 3.1 but same issue!!! Error is a dialog box with title "RegSvcs.exe Application Error", and body contains "The application failed to initialize properly. Click on OK to terminate application" – Azeem Mar 17 '12 at 10:13
  • you restarted the system and checked right? – Harshith J.V. Mar 17 '12 at 10:29
  • try setting compatibility flag on the setup file properties (right click on the file) and try to install... – Harshith J.V. Mar 17 '12 at 10:32
  • this blog has lots of info on `regsvcs.exe`, but its for .NET Framework 2.0 - http://blogs.msdn.com/b/astebner/archive/2006/11/25/disabling-services-with-msconfig-to-work-around-setup-failures.aspx – Harshith J.V. Mar 17 '12 at 10:56

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