<p></p>
<blockquote>
<p>E: Could not get a lock / var / lib / dpkg / lock-frontend. Maintained by process 12657 (synaptic)<br>
N: Please note that removing the lock file is not a solution and may harm your system.<br>
E: Failed to get the dpkg interface lock (/ var / lib / dpkg / lock-frontend). Is there another process using it?</p>
</blockquote>
<p>This has nothing to do with Geany, it is a basic function of the system that you can't run two install processes at the same time.</p>

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