title: Slowdown of Microsoft Visual Studio due to different Virus scanner
body: <p>What is the least slow Virus scanner to use with Microsoft Visual Studio</p>
  
  <p>I have just had Microsoft Visual Studio “go slow” on me again due to my Virus Checker…  (100s of Projects, some with over 100 C# files in them, so any thing that slows down builds is bad.)</p>
  
  <p>We all know that development tools do a lot of file access so are badly effect by Virus Scanner.  Most of us have to run a Virus scanner due to do many reasons.</p>
  
  <p>So has anyone <strong>measured</strong> the effect of different virus scanners (and settings) on the speed of Microsoft Visual Studio?</p>
  
  <p>Has anyone tied <a href="http://www.microsoft.com/Security_Essentials/" rel="noreferrer">Microsoft Security Essentials</a> with Visual Studio?</p>
  
  <p>See also (if you have the rep, please extend the list)</p>
  
  <ul>
  <li><a href="http://thepcspy.com/read/what_really_slows_windows_down/" rel="noreferrer"><strong>What Really Slows Windows Down</strong></a> (This has some real data)</li>
  <li><a href="https://stackoverflow.com/questions/183153/visual-studio-and-virus-scan-of-temp-folder">Visual Studio and Virus Scan of Temp folder</a></li>
  <li><a href="https://stackoverflow.com/questions/8440">Visual Studio Optimizations</a></li>
  <li><a href="https://stackoverflow.com/questions/1404999/development-machines-and-anti-virus-policy">Development machines and anti-virus policy (Sophos Anti-Virus)</a></li>
  <li><a href="https://stackoverflow.com/questions/1389904/antivirus-symantec-endpoint-configuration-for-developer-machine">Antivirus (Symantec Endpoint) configuration for developer machine</a></li>
  <li><a href="https://stackoverflow.com/questions/111226/least-intrusive-antivirus-software-for-development-pc">Least intrusive antivirus software for development PC?</a></li>
  <li><a href="https://stackoverflow.com/questions/1132054/suggestions-for-a-productive-hardware-setup-with-excellent-virus-protection">Suggestions for a productive hardware setup with excellent virus protection.</a></li>
  <li><a href="http://www.codinghorror.com/blog/archives/000803.html" rel="noreferrer">Choosing Anti-Anti-Virus Software (Coding Horror)</a></li>
  </ul>
  
  <p>What are peoples experiences with Visual Studio 2010 and virus checkers?</p>
  
  <hr>
  
  <p>I got this as part of a helpful email from someone (that will rename nameless) at Microsoft speaking on his own behalf.</p>
  
  <blockquote>
    <p>It’s not clear that we (<em>Microsoft</em>)
    would be able to endorse 3rd party
    products. With that in mind, I did
    notice that in the posting Ian linked
    to (<em>this question</em>) that <a href="http://www.ca-securitysoftware.com/" rel="noreferrer">Computer Associates</a> was listed by someone as
    one of the best performing virus
    checkers for development environments,
    which interestingly enough is a
    product that I believe many Microsoft
    developers use on their desktops.</p>
  </blockquote>
  
  <hr>
  
  <p>Since asking this question, I have had the least problems with Microsoft Security Essentials, however I have no facts or measurments to back this up.</p>