How to Fix Ndistpr64.sys BSOD Error?

by Jake Doe - -


Issue: How to Fix Ndistpr64.sys BSOD Error?

Please help!!!! I assume that a virus infected my computer with the MS Office update or another program that I’ve recently downloaded. Now I’m really frustrated because my PC starts as it does normally, but after 20 seconds, it gets stuck with a BSOD, which reads as following: Stop Code: DRIVER_IRQL_NOT_LESS_OR_EQUAL What Failed: ndistpr64.sys. What does it mean? How to fix that?

Solved Answer

DRIVER_IRQL_NOT_LESS_OR_EQUAL is a BSOD[1] error, which occurs on Windows OS when the files like mfewfpk.sys, ndis.sys, Epfwwfp.sys, kbdclass.sys, storahci.sys get damaged. Typically, it shows up in Windows boot phase and prevents the system from booting up normally.

If the PC user can boot up the system, for example, using Safe Mode or Clean Boot, it’s advisable to follow the instructions of the experts immediately. First of all, it’s crucial to check the system for malware using a professional anti-malware. If a powerful security software does not recognize any viruses, the solution would be to update/reinstall the drivers. In case the PC can't be started, the only solution would be to use a bootable USB drive[2] and boot the system from it to fix DRIVER_IRQL_NOT_LESS_OR_EQUAL error.

DRIVER_IRQL_NOT_LESS_OR_EQUAL (ndistpr64.sys) fix

Unfortunately, but the matters go worse if the DRIVER_IRQL_NOT_LESS_OR_EQUAL error is related to ndistpr64.sys file. Computer security experts have already identified it as an undesirable and classified it as malware[3] and PUP.

However, the fact that ndistpr64.sys error usually prevents the system from booting makes people believe that they caught a serious cyber infection. Technically, the ndistpr64.sys file is known as a software driver, which can be added to the system by the SmartService Trojan, which blocks anti-virus and other security software from running.

Consequently, if the PC owner encounters the DRIVER_IRQL_NOT_LESS_OR_EQUAL (ndistpr64.sys) BSOD, he/she will not be able to boot the PC, except in Safe Mode. Anyway, the SmartService Trojan may block the anti-virus with “The requested resource is in use” error message. If you are having this exact issue, try using the following instructions below to fix  DRIVER_IRQL_NOT_LESS_OR_EQUAL (ndistpr64.sys) BSOD and regain the operation of your PC.

Step 1. Boot your PC into Safe Mode

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DRIVER_IRQL_NOT_LESS_OR_EQUAL (ndistpr64.sys) error is usually encountered when malicious files make modifications to the system, hence it is unable to boot in normal mode. Since ndistpr64.sys driver software is not crucial for a system’s performance, and it’s advisable to remove it without delay. To be able to access it, you have to boot your machine in Safe Mode:

  • Restart your PC.
  • When the system configuration window shows up, select Troubleshoot.
  • Click on Advanced Options.
  • On the Startup Settings screen, select Enable Safe Mode and then Restart.Boot into safe mode

Step 2. Launch Command Prompt to remove ndistpr64.sys

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Command Prompt needs to be accessed in order to eliminate the problematic file and fix ndistpr64.sys error:

  • When the system boots up, click on Start button and type cmd or Command Prompt.
  • Right-click on the search results and select Run as Administrator.
  • Or right-click on Windows key and select Command Prompt (Admin) (older builds).
  • Type DEL /F /S /Q /A C:\\Windows\\System32\\drivers\\ ndistpr64.sys (without quotes) and press Enter.Delete ndistpr64.sys file via Command Prompt

Step 3. Run a scan with anti-malware software

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Before rebooting the system after the removal of ndistpr64.sys file, we would recommend running a scan with a professional anti-malware. As we have already pointed out, the file itself is not the crucial system file. Contrary, it is recognized as a potentially unwanted program or virus, which may lead to serious issues, including total system crash or the infection of ransomware. Often it is distributed along with other malicious files, so we would strongly recommend running a scan with Reimage or another professional anti-virus.

Scan your PC with Reimage or other security software

In case the SmartService Trojan blocks Reimage or another anti-malware that is installed on your PC, try to run Windows Defender offline or install another security software. If that does not help, enable a System Restore Point if you had created it before the issues with the BSOD started. Hopefully, this article was useful, and you have managed to fix ndistpr64.sys BSOD without difficulties.

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Prevent websites, ISP, and other parties from tracking you

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Therefore, to stay completely anonymous and prevent the ISP and the government from spying on you, you should employ Private Internet Access VPN. It will allow you to connect to the internet while being completely anonymous, prevent trackers, ads, as well as malicious content. Most importantly, you will prevent the illegal surveillance activities that NSA and other governmental institutions are performing behind your back.


Recover your lost files quickly

Unforeseen circumstances can happen at any time while using the computer: it can turn off due to a power cut, a Blue Screen of Death (BSoD) can occur, or random Windows updates can decide to reboot the machine when you went away for a few minutes. As a result, your schoolwork, important documents, and other data might be lost.

Additionally, you might also be attacked by malware that can corrupt your Windows or encrypt files with a robust encryption algorithm, and ask for a ransom in Bitcoin for the decryption tool. Cybercriminals might not deliver what they promised, however, so it is better to attempt alternative file recovery methods that could help you to retrieve at least some portion of the lost data.

Data recovery software is one of the options that could help you recover your files. Once you delete a file, it does not vanish into thin air – it remains on your system as long as no new data is written on top of it. Data Recovery Pro is recovery software that searchers for working copies of deleted files within your hard drive. By using the tool, you can prevent loss of valuable documents, school work, personal pictures, and other crucial files.

About the author

Jake Doe
Jake Doe - Computer technology geek

Jake Doe is a News Editor at Ugetfix. Since he met Ugnius Kiguolis in 2003, they both launched several projects that spread awareness about cybercrimes, malware, and other computer-related problems.

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