Visual Studio Install Error 1935 (HRESULT: 0×80070BC9) Fix

As  I wrote here last week, getting Visual Studio 2008 installed was a bit of a problem for me on my main Desktop PC.

And I couldn’t find a fix anywhere. So since the installation was successful on my laptop ( they are both nearly identical systems) I set about trying to find some difference between them.

I came up with the fact that I’d had Visual Studio 2008 Visual Web Designer Express installed and had uninstalled it before my Visual Studio 2008 Pro install.

So in the finest tradition of Voodoo Troubleshooting I did the following:

  1. Mounted  the Visual Studio Express Editions DVD image available from Microsoft here
  2. Installed Visual C# Express ( it looks as if any edition will do)
  3. Restarted
  4. Uninstalled only Visual Studio C# Express (the runtime prerequisites will also uninstall)
  5. Restarted
  6. Installed Visual Studio 2008 Professional

I’m not quite sure why this works. I put forward the idea that it fixes the registry or the .Net Install ( see my earlier post for details).

Happy Coding 🙂 !

4 thoughts on “Visual Studio Install Error 1935 (HRESULT: 0×80070BC9) Fix

  1. Thanks for this. I ran into the same problem installing the Windows SDK for Windows Server 2008 and .NET Framework 3.5, and this solved it.
    I think it fixes the Visual C++ 2008 redistributable or the Windows SDK for Visual Studio Express, because I think I removed those before I installed.

  2. Thanks for the tip Nzbuu; this set me off in the right direction. I downloaded and installed the Visual C++ redistributable for Visual Studio 2008 SP1 (both x86 and x64). After that VS2008 install went perfectly.

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