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Classpnp.sys Blue Screen Error: 4 Simple Solutions to Use

Disconnecting the faulty hardware should fix this issue

4 min. read

Updated onMarch 18, 2024

updated onMarch 18, 2024

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Key notes

The Classpnp.sys error is aBSOD error, and it leaves the affected PC unusable. The error can occur for several reasons, including hardware failure and software corruption.

In this detailed guide, we will show you how to fix this issue, irrespective of the cause.

What causes Classpnp.sys Windows 10 blue screen error?

What causes Classpnp.sys Windows 10 blue screen error?

There are a series of factors that can cause Classpnp.sys BSOD error. Below are some of the notable ones:

What does Classpnp Sys do?

Classpnp.sys is a Microsoft Windows SCSI class system file that comes as part of the Windows OS. This critical file system ensures your PC runs smoothly.

This system file comes with your Windows PC by default and should never be downloaded from third-party websites.

How do I fix Classpnp.sys error?

How do I fix Classpnp.sys error?

Before delving into the solutions in this section, below are some preliminary troubleshooting steps to try:

1. Uninstall recently installed programs

Some Windows users have reported the Classpnp.sys error to have appeared after installing a video game or software. In such a situation, the software is likely causing the error.

If you canbootinto Windows and go past the login screen, try to uninstall the game or software.

2. Run System File Checker

Sometimes, the Classpnp.sys error can be due to corrupt system files. If you can boot into your PC normally, the steps above should help you solve the problem.

If you can’t boot into your PC normally, follow the steps below:

With this, the Classpnp.sys error should be fixed if corrupt system files cause it.

Alternatively, you can repair your system files using a dedicated solution. This clever tool relieves the stress of running and waiting for multiple commands.

Specialized repair toolscan replace the corrupt files with an original version from their extensive databases.

3. Restore Windows to an earlier point

Sometimes, the Classpnp.sys Blue Screen of Death error can be caused by changes you have made to your PC. To fix this, you need to restore your PC to an earlier point when everything is working properly.

If you cannot boot into your PC normally, follow the steps below:

After restoring your PC, check if the error is fixed.

4. Clean Install Windows

This is the least recommended solution to fix the Classpnp.syserror. However, if the problem started on a new computer or after you installed the updates,clean installing Windowswith the latest available version can fix the issue.

Make sure you take a backup of any available data before performing a clean install.

The Classpnp.sys error can be pretty frustrating. However, following the solutions in this guide is pretty easy to fix.

If you are facingMULTIPLE_IRP_COMPLETE_REQUESTS erroron your PC, check our detailed guide to fix it.

Feel free to let us know the solution that helped you fix this issue in the comments below.

More about the topics:boot errors,windows 10 fix

Tashreef Shareef

Tashreef Shareef is a software developer turned tech writer. He discovered his interest in technology after reading a tech magazine accidentally. Now he writes about everything tech from Windows to iOS and streaming services to IoT at WindowsReport.

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