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Get the fix to the <strong>0xE0000100</strong> boot error message affecting <strong>Windows Vista, Windows 7, Windows 8, Windows 8.1</strong> and <strong>Windows 10</strong>.
<h2>About the "<strong>0xE0000100</strong>" error</h2>
[kbintro]
<h3>Description and Symptoms</h3>
The error messages, alerts, warnings, and symptoms below are tied to this error.
<h4>Symptom 1: <strong>0xE0000100 </strong>error screen</h4>
This error is usually triggered when there's an issue with the disk partition or with your installation disk or image (the original Windows installation media). A hard disk corruption can also trigger this error.

<a href="https://neosmart.net/wiki/wp-content/uploads/sites/5/2015/06/0xE0000100-windows-setup.jpg"><img class="alignnone wp-image-3435 size-full" src="https://neosmart.net/wiki/wp-content/uploads/sites/5/2015/06/0xE0000100-windows-setup.jpg" alt="0xE0000100 error screen" width="485" height="194" /></a>
<pre>Windows installation encountered an unexpected error. Verify that the installation sources are accessible, and restart the installation.

Error code: 0xE0000100</pre>
<h3>Causes of this Error</h3>
This error has been known to occur as a result of one or more of the following:
<h4>Cause 1: Disk partition is corrupt</h4>
The most common cause of this error is a Windows disk partition that became corrupt and inaccessible because of disk read write errors.
<h2>Fixing "<strong>0xE0000100</strong>" on Windows</h2>
[setupcd]
<h3>Fix #1: Run diskpart</h3>
If the 0xE0000100 error appears while you're trying to install Windows using the installation DVD, you can use diskpart to clean your partitions first and then install Windows again.
<p class="warning">Running the clean command of the diskpart utility will remove all data from the partition. Use this Fix only if you plan to install Windows.</p>
To do so, follow these steps:
<ol>
 	<li>Insert the Windows installation disc and boot from it</li>
 	<li>At the <em>Welcome</em> screen, click <strong>Repair your computer</strong>

[caption id="attachment_2109" align="alignnone" width="393"]<a href="https://neosmart.net/wiki/wp-content/uploads/sites/5/2014/06/windows-vista-repair-your-computer.png"><img class="wp-image-2109 size-full" src="https://neosmart.net/wiki/wp-content/uploads/sites/5/2014/06/windows-vista-repair-your-computer.png" alt="Windows Vista Repair Your Computer Menu" width="393" height="277" /></a> Windows Vista Repair Your Computer Menu[/caption]</li>
 	<li>At <em>System Recovery Options</em>, click <strong>Command Prompt</strong><a href="https://neosmart.net/wiki/wp-content/uploads/sites/5/2013/08/System-Recovery-Options.png"><img class="alignnone wp-image-552 size-full" src="https://neosmart.net/wiki/wp-content/uploads/sites/5/2013/08/System-Recovery-Options.png" alt="Startup Repair lists all available recovery options, choose a recovery tool" width="485" height="362" /></a></li>
 	<li>Type:
<pre>diskpart</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type:
<pre>list disk</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type:
<pre>select disk 0</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type:
<pre>clean</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type <code>exit</code> to exit diskpart and try to install Windows again</li>
</ol>
[caption id="attachment_4536" align="alignnone" width="800"]<a href="https://neosmart.net/blog/wp-content/uploads/sites/5/2015/06/clean.png"><img class="wp-image-4536 size-full" src="https://neosmart.net/blog/wp-content/uploads/sites/5/2015/06/clean.png" alt="Diskpart utility results screen" width="800" height="600" /></a> Diskpart utility results screen[/caption]

If the <code>clean</code> parameter doesn't work, try the <code>delete partition</code> parameter instead:
<ol>
 	<li>Type:
<pre>diskpart</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type:
<pre>select disk 0</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type:
<pre>list partition</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type:
<pre>select partition 1</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type:
<pre>delete partition</pre>
</li>
 	<li>Press <kbd>Enter</kbd></li>
 	<li>Type <code>exit</code> to exit the diskpart utility</li>
</ol>
<h3>Fix #2: chkdsk</h3>
The 0xE0000100 error can be also triggered by bad sections in your computer's hard disk. To check integrity of your PC's hard disk, run the chkdsk utility:
<ol>
 	<li>Boot into Windows</li>
 	<li>Click <strong>Start</strong> or open the Charm Bar on Windows 8/8.1 systems</li>
 	<li>Type <code>cmd</code> in the search box</li>
 	<li>Right-click on the <strong>Command Prompt</strong> item</li>
 	<li>Click <strong>Run as Administrator</strong><img class="alignnone size-full wp-image-2443" src="/wiki/wp-content/uploads/sites/5/2014/09/windows-vista-command-prompt-run-as-administrator.png" alt="Windows Vista - Run Command Prompt as Administrator" width="391" height="114" /></li>
 	<li>When Command Prompt is loaded, type:
<pre>chkdsk C: /f</pre>
Replace <code>C:</code> with the drive letter where Windows is installed on.</li>
 	<li>Press <kbd>Enter</kbd></li>
</ol>
You can also check the integrity of your hard disk and RAM memory using Easy Recovery Essentials Hardware Testing feature:

[partial name="partial_easyre_hardware_testing"]
<h2>More Information</h2>
<h3>Linked Entries</h3>
<ul>
 	<li><a href="https://neosmart.net/wiki/diskpart/">diskpart</a></li>
 	<li><a href="https://neosmart.net/wiki/chkdsk/">chkdsk</a></li>
</ul>
[partial name="partial_moreinfo" versions="vista,7,8,10"]