title: Visual Studio 2017: build tools for v142 cannot be found error, even though Platform Toolset is set to v141
body: <p>I'm building an openFrameworks project (using the project generator which generates VS2017 solutions) but am receiving the &quot;build tools for v142 cannot be found&quot; error. Answers across Stack Overflow say to go into Project &gt; Properties &gt; Configuration Properties &gt; General  and set Platform Toolset to v141 in order to downgrade, however my project fails to build with the same error even after doing this. See this screenshot for details:</p>
  <p><a href="https://i.stack.imgur.com/HVfZq.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HVfZq.png" alt="screenshot of error" /></a></p>
  <p>Here's what I installed from the installer:</p>
  <p><a href="https://i.stack.imgur.com/5rqxQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/5rqxQ.png" alt="screenshot of installer" /></a></p>
  <p>I do have VS 2019 installed as well, and I cannot uninstall it.</p>
  <p>How can I resolve this error and build on VS 2017?</p>