I just fixed the same problem with the free version of CCleaner by fixing broken registry entries.
For me, the problem arose in SQL Server Data Tools 2012, which uses Visual Studio 2010 after installing several versions of SSDT, including Preview 2015.
Opening any source component of OLEDB caused a missing DLL error for C: \ Program Files (x86) \ Microsoft Visual Studio 10.0 \ Common7 \ IDE \ PrivateAssemblies \ Microsoft.DatatransformationServices.DataFlowUI.dll
Solvusoft.com, a GoldBishop-related site, provided useful information about the problem, but recommends using their dubious product to fix it. Please read this topic on the Norton community website regarding Solvusoft and how it uses RegCleanPro.
Before using a tool such as CCleaner, review it. See who rated it as a good product. During use, make sure that he backs up the entries in the registry (he does this).
Dave P.
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