If you're running from source on Windows, you may see a black DOS box appear temporarily when performing certain actions (e.g. updating a VASL scenario). This is because <em>vasl-templates</em> runs a webdriver as part of its processing, which is a CLI program, and so the DOS box appears. Unfortunately, there's no way to control this in the <em>vasl-templates</em> code, but it can be disabled in the webdriver code itself. In your virtualenv, open the file <tt>Lib/site-packages/selenium/webdriver/common/service.py</tt>, and in the call to <tt>subprocess.Popen()</tt>, add a new <tt>creationflags = 0x8000000</tt> parameter.
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<h4> Running just the web server </h4>
<h4> Running just the web server </h4>
<p> The simpler option is to just run the web server:
<p> The simpler option is to just run the web server: