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From the Log dd_VSMsiLog3CA8.txt able to found two errors and the machine I am working in this Visual Studio 2010 Beta & RC was already installed prior.

Snippet 1:

MSI (s) (48:70) [12:22:51:806]: Note: 1: 1935 2: {692AAFD0-A89D-4DDA-AA85-E529B871A47E} 3: 0x80070570 4: IAssemblyCacheItem 5: Commit 6: VSLangProj2,version="7.0.5000.0",publicKeyToken="b03f5f7f11d50a3a",fileVersion="7.10.6070.0",culture="neutral"
04/20/10 12:22:50 DDSet_Exit: WcfToolsInstall
MSI (s) (48:70) [12:51:47:055]: Product: Microsoft Visual Studio 2010 Ultimate - ENU -- Error 1935.An error occurred during the installation of assembly 'VSLangProj2,version="7.0.5000.0",publicKeyToken="b03f5f7f11d50a3a",fileVersion="7.10.6070.0",culture="neutral"'. Please refer to Help and Support for more information. HRESULT: 0x80070570. assembly interface: IAssemblyCacheItem, function: Commit, component: {692AAFD0-A89D-4DDA-AA85-E529B871A47E}

MSI (s) (48:70) [12:51:47:425]: User policy value 'DisableRollback' is 0
MSI (s) (48:70) [12:51:47:425]: Machine policy value 'DisableRollback' is 0
Action ended 12:51:47: InstallFinalize. Return value 3.

Snippet 2:

MSI (s) (48:70) [12:57:03:317]: Note: 1: 1935 2: {3D5CAF58-5481-45FF-A4FA-BE4F44550417} 3: 0x80070050 4: IAssemblyCacheItem 5: Commit 6: msddslmp,version="10.0.0.0",publicKeyToken="b03f5f7f11d50a3a",processorArchitecture="MSIL",fileVersion="10.0.30128.1",culture="neutral"
Info 1935.An error occurred during the installation of assembly 'msddslmp,version="10.0.0.0",publicKeyToken="b03f5f7f11d50a3a",processorArchitecture="MSIL",fileVersion="10.0.30128.1",culture="neutral"'. Please refer to Help and Support for more information. HRESULT: 0x80070050. assembly interface: IAssemblyCacheItem, function: Commit, component: {3D5CAF58-5481-45FF-A4FA-BE4F44550417}
MSI (s) (48:70) [12:57:03:320]: Note: 1: 1712
MSI (s) (48:70) [12:57:25:096]: Product: Microsoft Visual Studio 2010 Ultimate - ENU -- Error 1712.One or more of the files required to restore your computer to its previous state could not be found.  Restoration will not be possible.

MSI (s) (48:70) [12:57:25:110]: Note: 1: 2318 2: 
MSI (s) (48:70) [12:57:25:152]: No System Restore sequence number for this installation.
MSI (s) (48:70) [12:57:25:152]: Unlocking Server
MSI (s) (48:70) [12:57:25:333]: PROPERTY CHANGE: Deleting UpdateStarted property. Its current value is '1'.
Action ended 12:57:25: INSTALL. Return value 3.

 

  • Presently working on this any comment or steps tried supporting this issue is really appreciated and please feel free to put the comment
  • If I get the cause and the solution for this I will go ahead and post the same.

 

Discussion going on: Microsoft-Connect

So here is the resolution goes for this case in which I worked and now the issue is fixed: Elaborating it once again !!

  • With the above log snippets when I did more research my target was below

ENU -- Error 1935.An error occurred during the installation of assembly 'VSLangProj2,version="7.0.5000.0",publicKeyToken="b03f5f7f11d50a3a",fileVersion="7.10.6070.0",culture="neutral"'

  • I concentrated more on 'VSLangProj2,version="7.0.5000.0”

With the below error the confirmation was more strong that the issue was somewhere in 'VSLangProj2,version="7.0.5000.0"

[Window Title]
Location is not available

[Content]
C:\Windows\assembly\GAC\VSLangProj2\7.0.5000.0__b03f5f7f11d50a3a is not accessible.

The file or directory is corrupted and unreadable.

[OK]

  • Tried manually going to C:\Windows\assembly\GAC\VSLangProj2
  • But the Error was “The file or directory is corrupted and unreadable”
  • Tried to check content from Command Prompt, no success
  • Rename failed as it was not allowing to get inside the folder 7.0.5000.0__b03f5f7f11d50a3a
  • Tried renaming, deleting fromwindows and command Prompt even Safe Mode but no success

These kind of scenario are mostly seen when there is File System Corruption

  • Decided to run chkdisk /r
  • We was able to achieve the goal
  • Even it was not required to delete 7.0.5000.0__b03f5f7f11d50a3a

After the above set of troubleshooting the conclusion was “ File System Corruption”

  • Issue may be applicable depending on various scenarios
  • But yes chkdsk /r is will not cause any harm to you computer

People are welcome to post their experience and if I can be of any help.

I Specially wanted to thanks one of my customer who helped me by sharing all the information which was required to fix the issue.