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Those of you who've seen this: Completely Uninstall Visual Studio 2010 will know I've been having some VS2010 issues the last week or so. Well I finally managed to get my computer to a stage where I can reinstall visual studio 2010 (I uninstalled visual studio and all the c++, c# etc stuff using Repo Uninstaller (the normal uninstaller broke for most of the programs) and then removed all related registry entries, keeping a backup of course).

Well now when I try to install Visual Studio 2010 Professional from an iso mounted in Daemon Tools Lite it fails.

I'm aware of Visual Studio 2010 fails to install with "Error occurred during setup" and have tried every method suggested (apart from uninstalling windows installer as I couldn't find how to) but I still get errors. It fails to install the VC 9.0 runtime (x86) and this is the output of the error log:

[03/17/11,20:26:56] VC 9.0 Runtime (x86): [2] Error: Installation failed for component VC 9.0 Runtime (x86). MSI returned error code 1601
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates VC 9.0 Runtime (x86) is not installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates VC 10.0 Runtime (x86) was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates VC 10.0 Runtime (x64) was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 64bit Prerequisites (x64) was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft Visual F# 2.0 Runtime was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio Macro Tools was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 Professional - ENU was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft ASP.NET MVC 2 - Visual Studio 2010 Tools was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft ASP.NET MVC 2 was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft Office Developer Tools (x64) was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates VC 10.0 Designtime (x64) was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft SharePoint Developer Tools was not attempted to be installed.
[03/17/11,20:27:08] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 ADO.NET Entity Framework Tools was not attempted to be installed.

the listed error is MSI Error 1601, which is apparently: " FAILURE 1601 The Windows Installer service could not be accessed. Contact your support personnel to verify that the Windows Installer service is properly registered."

Does that mean I need to reinstall the Windows Installer? If so how do I do that?

I'm running Windows 7 64bit

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2 Answers 2

up vote 1 down vote accepted

Ok, sadly the best I could find was to completely reformat and reinstall. What I'd done was corrupt my user profile (public folders, etc) when I tried to move them off of the C drive to make more room on the solid state.

Not a very good plan, all in all and that messed up a whole lot of things.

Still can't pinpoint the exact cause, but there's the solution. Reformat and reinstall.

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Have you ensured the Windows Installer service is enabled (and set to Manual)?

Does it start without error when you start the service manually?

You could try upgrading to Windows Installer 4.5.

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It's enabled and set to manual. Starting it seems to work fine (no errors), although running the windows installer files (I chose the x64 branch) gives me the following error: Installer Encountered an Error: 0x80040154 Class Not Registered. A quick google gives me this answers.microsoft.com/en-us/windows/forum/… which I'll try and get back to you –  Nick Udell Mar 17 '11 at 23:47
    
No luck, sfc /scannow bugs out too saying it cannot start the Windows Repair Service. Sadly I don't have the recovery disk on me to do a repair. –  Nick Udell Mar 17 '11 at 23:57
    
I tried installing a separate, unrelated program (windows troubleshooter for some sound issues I'm having) and that also failed so there's definitely something wrong with windows' installer. –  Nick Udell Mar 18 '11 at 0:38
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