title: what is this oleaut32.dll?
body: <p>we had an error encountered on one of our windows service application, that points to this dll - oleaut32.dll</p>
  
  <p>here's the eventviewer logs</p>
  
  <blockquote>
    <p>The description for Event ID 1000 from source .NET Runtime 4.0 Error
    Reporting cannot be found. Either the component that raises this event
    is not installed on your local computer or the installation is
    corrupted. You can install or repair the component on the local
    computer.</p>
    
    <p>If the event originated on another computer, the display information
    had to be saved with the event.</p>
    
    <p>The following information was included with the event: </p>
  
  <pre><code>&gt; [our-application].exe
  &gt; 4.0.0.0 5174a88d oleaut32.dll
  &gt; 5.2.3790.4807 4d0fa719 0 0000000000024057
  </code></pre>
  </blockquote>
  
  <p>we are not sure how or why did this happened unexpectedly or what's causing this error. also, we haven't encountered this kind of error before.</p>
  
  <p>our application is using .net framework 4.0 and runs on a windows 2003 server with updated Microsoft security patches.</p>