Long unloading product all process after run backup task.

[Virus_900]

<p><strong><span>Windows 10 Pro Build 17763 EN All update</span><span> </span>KTS 20.0.0.713 RC</strong></p>
<p><strong></strong></p>
<p><strong>Reproduction steps:</strong></p>
<ol>
<li>Open GUI general.</li>
<li><span></span>Click on Backup and Restore.</li>
<li>Create 25 task with folder Windows.</li>
<li>Run all 25 task.</li>
<li>Unloading product.</li>
</ol>
<p><strong>Actual result:</strong></p>
<p><span></span>Product unloading all process comletely through 32 minutes.   </p>
<p><strong>Expected Result:</strong></p>
<p><span></span>Product unloading at once.</p>
<p><span></span></p>