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    <p>Hi<br>
    </p>
    <p>I can help with the why part of the message:</p>
    <p>- it has been caused by a wide variety of different reasons over
      time</p>
    <p>- these reasons are often very specific to a local
      setup/project/system environment<br>
    </p>
    <p>- because it doesn't cause data loss, the priority is reduced
      from super-urgent to high<br>
    </p>
    <p>That said, this message unfortunately doesn't help to solve the
      problem, but hopefully helps to understand<br>
    </p>
    <p>Matthias<br>
    </p>
    <div class="moz-cite-prefix">On 4/10/19 8:28 PM, C Hamilton wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CABPxTTrnsmH2-1kNK5MFBZDvSof9ZFjCt1_mYyD-+z-pQ8R30Q@mail.gmail.com">
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        <div>I will confirm that my QGIS 3.6 crashes as well especially
          when clicking on the X in the upper right hand corner. I don't
          know why this has been such a problem over time because it has
          plagued many versions of qgis.</div>
        <div><br>
        </div>
        <div>Calvin<br>
        </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Wed, Apr 10, 2019 at 9:50
          AM Thomas Baumann <<a
            href="mailto:rdbath.regiodata@gmail.com"
            moz-do-not-send="true">rdbath.regiodata@gmail.com</a>>
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div dir="ltr">
            <div dir="ltr">
              <div>Hi there,</div>
              <div><br>
              </div>
              <div>same situation here: QGIS 3.6 crashed several times
                when trying to close it.</div>
              <div><br>
              </div>
              <div>regards,</div>
              <div>Thomas</div>
              <div><br>
              </div>
              <div>PS: attached is one crash report:<br>
              </div>
              <div>----</div>
              <div><br>
              </div>
              <div>h2. User Feedback<br>
                <br>
                QGIS Crashed when I tried to close QGIS<br>
                <br>
                h2. Report Details<br>
                <br>
                *Crash ID*: 62f1fcd2045780cb9f127836e6b579b8665f3e63<br>
                <br>
                <br>
                *Stack Trace*<br>
                <pre><br>
                proj_lpz_dist :<br>
                proj_lpz_dist :<br>
                QgsCoordinateTransform::transformPolygon :<br>
                QgsCoordinateTransform::transformPolygon :<br>
                QgsCoordinateTransform::QgsCoordinateTransform :<br>
                QHashData::free_helper :<br>
                QgsCoordinateTransform::addToCache :<br>
                QgsCoordinateTransform::invalidateCache :<br>
                QgsApplication::exitQgis :<br>
                QgisApp::~QgisApp :<br>
                CPLStringList::operator[] :<br>
                main :<br>
                BaseThreadInitThunk :<br>
                RtlUserThreadStart :<br>
                </pre><br>
                <br>
                <br>
                *QGIS Info*<br>
                QGIS Version: 3.6.0-Noosa<br>
                QGIS code revision: commit:58734527ab<br>
                Compiled against Qt: 5.11.2<br>
                Running against Qt: 5.11.2<br>
                Compiled against GDAL: 2.4.0<br>
                Running against GDAL: 2.4.0<br>
                <br>
                <br>
                <br>
                *System Info*<br>
                CPU Type: x86_64<br>
                Kernel Type: winnt<br>
                Kernel Version: 10.0.14393<br>
                <br>
              </div>
            </div>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">Am Mo., 8. Apr. 2019 um
              11:22 Uhr schrieb Andreas Neumann <<a
                href="mailto:a.neumann@carto.net" target="_blank"
                moz-do-not-send="true">a.neumann@carto.net</a>>:<br>
            </div>
            <blockquote class="gmail_quote" style="margin:0px 0px 0px
              0.8ex;border-left:1px solid
              rgb(204,204,204);padding-left:1ex">
              <div
                style="font-size:10pt;font-family:Verdana,Geneva,sans-serif">
                <p>Hi,</p>
                <p>We always have crashes on closing QGIS (on Windows) -
                  regardless of version - it happens on 3.4, 3.6 and
                  master.</p>
                <p>Seems to be related to the authentication manager. Is
                  this a known issue? Are there ideas how to fix the
                  issue?</p>
                <p>Here is the crashlog:</p>
                <p><span>Crash ID</span>:
                  0f25782d491a42462ec5c96af91c45b3e9859bd3<br>
                  <br>
                  <span>Stack Trace</span></p>
                <pre><span>
QMutex::lock :
QMutexLocker::QMutexLocker :
::operator() qgsauthmanager.cpp:145
QtPrivate::FunctorCall,QtPrivate::List,void, >::call qobjectdefs_impl.h:128
QtPrivate::Functor,0>::call,void> qobjectdefs_impl.h:239
QtPrivate::QFunctorSlotObject,0,QtPrivate::List,void>::impl qobjectdefs_impl.h:427
QMetaObject::activate :
QThread::finished :
QThread::currentThreadId :
QThread::start :
BaseThreadInitThunk :
RtlUserThreadStart :
</span></pre>
                <p><br>
                  <br>
                  <br>
                  <span>QGIS Info</span><br>
                  QGIS Version: 3.7.0-Master<br>
                  QGIS code revision: 5a85e206f6<br>
                  Compiled against Qt: 5.11.2<br>
                  Running against Qt: 5.11.2<br>
                  Compiled against GDAL: 2.4.1<br>
                  Running against GDAL: 2.4.1<br>
                  <br>
                  <br>
                  <br>
                  <span>System Info</span><br>
                  CPU Type: x86_64<br>
                  Kernel Type: winnt<br>
                  Kernel Version: 6.1.7601</p>
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            color: #000000; font-family: 'Verdana', sans-serif;
            font-size: 10pt">Matthias Kuhn</span><br>
          <a href="mailto:matthias@opengis.ch" target="_blank"> <span
              style="text-align: left; color: #000000; font-family:
              'Verdana', sans-serif; font-size: 8pt">matthias@opengis.ch</span>
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            'Verdana', sans-serif; font-size: 8pt"><a
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