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0xC000015B Error: How to Fix This Logon Failure

Run the SFC scan to fix the issue

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Many users have complained that after making some changes to their computer, they could not log in using their PIN and encountered the 0xC000015B error.

The simple solution for this problem could be logging in using an alternate method and then changing the PIN. However, you can’t see other login options; this guide can help! We will explore effective ways to address the error and help you regain access.

What causes the 0xC000015B error?

What causes the 0xC000015B error?

There could be various reasons for this logon error; some of the common ones are listed here:

Now that you know the causes, let us check the troubleshooting methods.

What can I do to fix the 0xC000015B error?

What can I do to fix the 0xC000015B error?

Before engaging in advanced troubleshooting steps, you should consider performing the following checks:

Once you checked all these, move to the solutions mentioned below.

1. Reset the PIN

If this is not working for you, you must follow advanced methods to fix the issue.

2. Run your computer in a Safe Mode

Your computer will restart in safe mode; try changing the PIN now from the sign-in screen usingSolution1.

3. Perform the Startup Repair

Now Windows will attempt to diagnose and repair any issues preventing your system from starting up correctly.

Follow the on-screen instructions and wait for the repair process to complete. This may take some time. If it is successful, your Windows 11 system should boot up correctly.

4. Perform a System Restore

Windows will restart & restore the selected version, and now try to log in. IfSystem Restore doesn’t work for you, we advise you to check out our detailed guide to find solutions.

So, these are methods to fix the 0xc000015b on your Windows. If nothing worked for you, you mustperform a clean installation of Windowsto resolve the issue.

For any questions or suggestions, feel free to use the comments section below.

More about the topics:Fix Login issues,windows 10,Windows 11

Srishti Sisodia

Windows Software Expert

Srishti Sisodia is an electronics engineer and writer with a passion for technology. She has extensive experience exploring the latest technological advancements and sharing her insights through informative blogs.

Her diverse interests bring a unique perspective to her work, and she approaches everything with commitment, enthusiasm, and a willingness to learn. That’s why she’s part of Windows Report’s Reviewers team, always willing to share the real-life experience with any software or hardware product. She’s also specialized in Azure, cloud computing, and AI.

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Srishti Sisodia

Windows Software Expert

She is an electronics engineer and writer with a passion for technology. Srishti is specialized in Azure, cloud computing, and AI.