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    Aloha.<br>
    <br>
    My first thought is to check and see if you can run R from the
    command-line.  My second thought is to create a new user and
    re-install R under that user and see if it's your user environment
    or something system-wide.  <br>
    <br>
    Good luck.<br>
    J.<br>
    <br>
    <div class="moz-cite-prefix">On 6/5/23 08:32, DePaolis, Fernando
      wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:MW4PR12MB7143E4AD59CB73FFC40D5877DE4DA@MW4PR12MB7143.namprd12.prod.outlook.com">
      
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        <p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#538135">Uwe
            Ligges (from CRAN sys admin) recommended that I post this to
            the list.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#538135"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#538135">Thank
            you.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#538135"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#538135"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#538135"><o:p> </o:p></span></p>
        <div>
          <div>
            <div>
              <p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Segoe
                  UI",sans-serif;color:#1F497D">Fernando DePaolis,
                  Ph.D.</span><span style="font-size:10.5pt;font-family:"Segoe
                  UI",sans-serif;color:#1F497D"><br>
                </span><span style="font-size:8.0pt;font-family:"Segoe
                  UI",sans-serif;color:#1F497D">Dean of Academic
                  Operations & Integration<o:p></o:p></span></p>
              <p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Segoe
                  UI",sans-serif;color:#1F497D">Associate Professor</span><span style="font-size:8.0pt;color:black"><o:p></o:p></span></p>
              <p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Segoe
                  UI",sans-serif;color:#1A5CBB"><a href="https://urldefense.com/v3/__http://www.middlebury.edu/institute__;!!Mih3wA!GIE6oZkYwzBt5PoPPxbVBpthifuHm4pKyHi02HQHAvGnKu_iYdp2DZf5m2H3FKKYS3LTKCPI1guQh-OMAYbw4GPH$" title="http://www.middlebury.edu/institute" moz-do-not-send="true"><span style="color:#954F72">Middlebury
                      Institute of International Studies</span></a> at
                  Monterey</span><span style="font-size:7.5pt;font-family:"Segoe
                  UI",sans-serif;color:#1A5CBB"><br>
                </span><span style="font-size:6.0pt;font-family:"Segoe
                  UI",sans-serif;color:#2F5496">----------------------------------------------------------------------</span><span style="font-size:11.0pt;color:black"><o:p></o:p></span></p>
              <p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Segoe
                  UI",sans-serif;color:#2F5496">[Sent from Outlook
                  for Mac –MacBook Pro]<o:p></o:p></span></p>
            </div>
          </div>
        </div>
        <p class="MsoNormal"><span style="font-size:9.0pt;color:#4472C4">My
            working hours (US Pacific time zone) may not be your working
            hours. Please do not feel obligated to respond outside your
            normal work hours, unless otherwise indicated.</span><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#538135"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#538135"><o:p> </o:p></span></p>
        <div style="border:none;border-top:solid #B5C4DF
          1.0pt;padding:3.0pt 0in 0in 0in">
          <p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
              </span></b><span style="font-size:12.0pt;color:black">DePaolis,
              Fernando <a class="moz-txt-link-rfc2396E" href="mailto:fdepaolis@middlebury.edu"><fdepaolis@middlebury.edu></a><br>
              <b>Date: </b>Monday, June 5, 2023 at 10:19 AM<br>
              <b>To: </b><a class="moz-txt-link-abbreviated" href="mailto:CRAN-sysadmin@R-project.org">CRAN-sysadmin@R-project.org</a>
              <a class="moz-txt-link-rfc2396E" href="mailto:CRAN-sysadmin@R-project.org"><CRAN-sysadmin@R-project.org></a><br>
              <b>Subject: </b>Serious problem with R on macOS<o:p></o:p></span></p>
        </div>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual">Hello,</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual">For
            a few months now, I’ve been having an odd and rather
            annoying problem. I use RStudio and it frequently cannot
            start R, producing the error message attached below. This is
            clearly not the, as I worked on it the night before or even
            just a few hours earlier. What is clear is that R is not
            available on my system, although all the files are still
            there (in /Library/Frameworks/R.framework). It could be that
            a critical file becomes corrupted, or the system can’t find
            it. I have not been able to determine whether that is the
            case, or which file could be affected. I might have
            re-installed R dozens of times in the last month. This is
            something that never happened in the previous more than 15
            years of using R.</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual"> </span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual">I’ve
            tried everything I can think of, and the problem
            persists…and haven’t found any satisfactory feedback online
            either.</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual">Have
            you ever heard of a problem like this? Or do you have any
            suggestions?</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual"> </span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual">Thank
            you so much for your support.</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual"> </span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual"> </span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt"><img style="width:3.0833in;height:3.2083in" id="Picture_x0020_1" src="cid:part1.DVZ0DRga.LIUIFpsB@ucsd.edu" alt="A
              screenshot of a computer error message
              Description automatically generated with low confidence" class="" width="296" height="308" border="0"><span style="mso-ligatures:standardcontextual"><o:p></o:p></span></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual"> </span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual"> </span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#2F5496;mso-ligatures:standardcontextual"> </span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
        <div>
          <div>
            <p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Segoe
                UI",sans-serif;color:#1F497D">Fernando DePaolis,
                Ph.D.</span><span style="font-size:10.5pt;font-family:"Segoe
                UI",sans-serif;color:#1F497D"><br>
              </span><span style="font-size:8.0pt;font-family:"Segoe
                UI",sans-serif;color:#1F497D">Dean of Academic
                Operations & Integration</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
            <p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Segoe
                UI",sans-serif;color:#1F497D">Associate Professor</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
            <p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><a href="https://urldefense.com/v3/__http://www.middlebury.edu/institute__;!!Mih3wA!GIE6oZkYwzBt5PoPPxbVBpthifuHm4pKyHi02HQHAvGnKu_iYdp2DZf5m2H3FKKYS3LTKCPI1guQh-OMAYbw4GPH$" title="http://www.middlebury.edu/institute" moz-do-not-send="true"><span style="font-size:8.0pt;font-family:"Segoe
                    UI",sans-serif;color:#954F72;mso-ligatures:none">Middlebury
                    Institute of International Studies</span></a></span><span style="font-size:8.0pt;font-family:"Segoe
                UI",sans-serif;color:#1A5CBB"> at Monterey</span><span style="font-size:7.5pt;font-family:"Segoe
                UI",sans-serif;color:#1A5CBB"><br>
              </span><span style="font-size:6.0pt;font-family:"Segoe
                UI",sans-serif;color:#2F5496">----------------------------------------------------------------------</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
            <p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Segoe
                UI",sans-serif;color:#2F5496">[Sent from Outlook
                for Mac –MacBook Pro]</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><span style="font-size:9.0pt;color:#4472C4">My
            working hours (US Pacific time zone) may not be your working
            hours. Please do not feel obligated to respond outside your
            normal work hours, unless otherwise indicated.</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
      </div>
      <br>
      <fieldset class="moz-mime-attachment-header"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
R-SIG-Mac mailing list
<a class="moz-txt-link-abbreviated" href="mailto:R-SIG-Mac@r-project.org">R-SIG-Mac@r-project.org</a>
<a class="moz-txt-link-freetext" href="https://urldefense.com/v3/__https://stat.ethz.ch/mailman/listinfo/r-sig-mac__;!!Mih3wA!GIE6oZkYwzBt5PoPPxbVBpthifuHm4pKyHi02HQHAvGnKu_iYdp2DZf5m2H3FKKYS3LTKCPI1guQh-OMAQh6T0nQ$">https://urldefense.com/v3/__https://stat.ethz.ch/mailman/listinfo/r-sig-mac__;!!Mih3wA!GIE6oZkYwzBt5PoPPxbVBpthifuHm4pKyHi02HQHAvGnKu_iYdp2DZf5m2H3FKKYS3LTKCPI1guQh-OMAQh6T0nQ$</a> 
</pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
John Helly / San Diego Supercomputer Center / Scripps Institution of Oceanography 
<a class="moz-txt-link-freetext" href="https://www.sdsc.edu/~hellyj">https://www.sdsc.edu/~hellyj</a> / 808 205 9882 / 760 8408660</pre>
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