oubleshooting the Installation<a class="anchor" aria-label="anchor" href="#troubleshooting-the-installation"></a>
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<ol style="list-style-type: decimal">
<li><p>If the installation of QBMS generates errors saying that some of the existing packages cannot be removed, you can try to quit any R session, and try to start R in administrator (Windows) or SUDO mode (Linux/Ubuntu) then try installing again.</p></li>
<li><p>If you get an error related to packages built under a current version of R, and updating 