title: Could not load file or assembly 'Microsoft.Owin, Version=3.0.0.0?
body: <p>I had a solution that was running fine locally but upon deployment received this issue.  Upon searching stackoverflow I found several similar questions, the most popular one being <a href="https://stackoverflow.com/questions/24072168/asp-net-mvc-tries-to-load-older-version-of-owin-assembly">this</a>.</p>
  
  <p>That post suggests updating several assemblies.  Using the NuGet package manager  I updated:</p>
  
  <p><code>Microsoft.Owin</code></p>
  
  <p><code>Microsoft.Owin.Security</code></p>
  
  <p><code>Microsoft.Owin.Security.Cookies</code></p>
  
  <p><code>Microsoft.Owin.Security.OAuth</code></p>
  
  <p><br/>
  I redeployed but it still doesn't work.</p>
  
  <p>I'm confused because the current version of Owin is 3.0.1, which is what I have installed, not 3.0.0.0.   But apparently something is still trying to load 3.0.0.0.</p>
  
  <p>EDIT: I guess I just had to delete all my previous files and reupload.  It's working now.</p>