title: ROracle.dll is not a valid Win32 application
body: <p>It's a tale as old as ROracle... I just can't seem to find a solution to this problem. I've uninstalled JAVA, R, and RTools and reinstalled all 3 with only 64bit versions. The build for ROracle goes fine, but I get the following error message when trying to load the package. </p>
  
  <p>I've looked at some of the other solutions without success and verified a 64 bit install of Oracle Client. Thoughts?</p>
  
  <blockquote>
    <p>Loading required package: DBI
    Error in inDL(x, as.logical(local), as.logical(now), ...) : 
      unable to load shared object 'C:/Program Files/R/R-3.3.2/library/ROracle
    /libs/x64/ROracle.dll':
      LoadLibrary failure:  %1 is not a valid Win32 application.</p>
    
    <p>Error: package or namespace load failed for ‘ROracle’</p>
  </blockquote>