Failed to open file C:Program Files (x86)Microsoft Visual Studio 9.0Common7IDEPrivateAssembliesdevenv.exe.config.tmp

  We were trying to install SP3 on SQL server 2008 R2 and got the error like below.  <FuncName=’Do_sqlFileSR’> Failed to open file C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\PrivateAssemblies\devenv.exe.config.tmp  Error Code: 1603  MSI (s) (D0!88) [02:38:57:769]: Product: SQL Server 2008 R2 SP2 BI Development Studio — Error 29528. The setup has encountered an unexpected error…