Microsoft.SqlServer.Dac.dll:

Microsoft.SqlServer.Dac.dll, C:\WINDOWS\system32, C:\Windows\SysWOW64\ Microsoft Dynamic-link library

Microsoft.SqlServer.Dac.dll ?

2. CMD
3. : regsvr32 Microsoft.SqlServer.Dac.dll Enter

RegSvr32.exe :

Regsvr32 [/u] [/n] [/i[:cmdline]] Microsoft.SqlServer.Dac.dll

/n -  /i
/s – 
/u - 
/i -  [cmdline];  /u, 

Snappy Driver Installer

:

:

microsoft.office.interop.excel.dll Microsoft.Office.interop.access.dao.dll microsoft.office.interop.word.dll microsoft.reportviewer.winforms.dll microsoft-windows-kernel-processor-power-events.dll Microsoft.mshtml.dll Microsoft.Office.Interop.Owc11.dll microsoft-windows-kernel-power-events.dll Microsoft.CSharp.dll Microsoft.SQL.Chainer.PackageData.dll Microsoft.DirectX.Direct3D.dll microsoft.reportviewer.common.dll microsoft.directx.directinput.dll microsoft.directx.directplay.dll Microsoft.WindowsAPICodePack.Shell.dll Microsoft.Practices.ServiceLocation.dll Microsoft.Office.Interop.Outlook.dll microsoft.directx.directsound.dll Microsoft.Expression.Interactions.dll Microsoft.Web.Infrastructure.dll microsoft.reportviewer.webforms.dll microsoft-windows-hal-events.dll microsoft.directx.audiovideoplayback.dll microsoft.windowsce.forms.dll Microsoft.Web.Services3.dll Microsoft.Xna.Framework.dll.dll Microsoft.Build.Tasks.v4.0.dll Microsoft.Build.Utilities.v3.5.resources.dll Microsoft.Xna.Framework.Avatar.dll Microsoft.SqlServer.Diagnostics.Configuration.STrace.dll