Is ntoskrnl.exe a virus?

Legitimate system components can share names with malware. Verify the file path (C:\Windows\System32), check signatures, and scan the system if you suspect an infection.

Where is ntoskrnl.exe located?

Typical default locations include C:\Windows\System32. The actual path depends on the software that installed it.

Can I download ntoskrnl.exe from the internet?

Use only trusted sources. If you are unsure, reinstall the related app/driver or use Windows repair tools instead of copying random files.

What usually causes ntoskrnl.exe errors?

Most issues come from corruption, version mismatch, deletion/quarantine by security software, or an incomplete update.

ntoskrnl.exe – errors, causes & repair steps

Recommended Repair

Recommended: Scan and repair Windows issues automatically.

Fix ntoskrnl.exe Errors Now Manual Guidance

Security Analysis

Safety Score (informational) 97% Safe

Risk score: 1/3 · Checked by WinLibrary Engine

What is ntoskrnl.exe?

ntoskrnl.exe is a Windows Application Executable (EXE) referenced by system processes and installed applications. If it is missing or corrupted, Windows may show startup alerts or app crashes.

ntoskrnl.exe belongs to the Application Executable (EXE) family. Depending on the application that installed it, it may be used for UI rendering, networking, media, encryption, or device communication.

Common Error Messages

The program can’t start because ntoskrnl.exe is missing.
Bad Image: ntoskrnl.exe is either not designed to run on Windows or it contains an error.

Example: The program can’t start because ntoskrnl.exe is missing.

Possible Causes

Registry entries point to a missing or moved location.
A third‑party installer replaced the file with an incompatible version.
Security software quarantined a file with the same name.
A Windows update or driver update did not complete correctly.

How to Fix Missing Error?

Run Windows Update and reboot.
Run a full malware scan with a trusted antivirus solution.
Restart the PC and retry the action that triggers the error.
Reinstall the application or driver that is related to the error.
Open an elevated Command Prompt and run: sfc /scannow

Note: The metadata shown here is informational and may not match your exact system. For critical system components, prefer official sources and Windows repair tools.

Technical Details

Original Filename	ntoskrnl.exe
Publisher	Microsoft / Third Party
File Type	Application Executable (EXE)
Version	4.10.4123.2780
File Size
Architecture	x64
Last updated	2026-02-05
Default location	`C:\Windows\System32`
Downloads	1,463,375
Rating	4.3 / 5 (132 reviews)
SHA-256 Hash	`eeb10dd4f274fb05424707d9d18e380a4daa009e77a92ac1093d9ed4e40a5712`
MD5 Hash	`29128842575937d25b2160f8fdc56ca4`
Digital signature	Trusted · Microsoft Corporation

FAQ

Is ntoskrnl.exe a virus?
Legitimate system components can share names with malware. Verify the file path (C:\Windows\System32), check signatures, and scan the system if you suspect an infection.
Where is ntoskrnl.exe located?
Typical default locations include C:\Windows\System32. The actual path depends on the software that installed it.
Can I download ntoskrnl.exe from the internet?
Use only trusted sources. If you are unsure, reinstall the related app/driver or use Windows repair tools instead of copying random files.
What usually causes ntoskrnl.exe errors?
Most issues come from corruption, version mismatch, deletion/quarantine by security software, or an incomplete update.