amsi.dll - Analizar y corregir los errores

️ Important Notice: Componente de la biblioteca AMSINTOOLS para medidas de seguridad de aplicaciones mejoradas. Reemplazar manualmente las bibliotecas del sistema puede bloquear futuras actualizaciones de Windows o causar fallas críticas del sistema.

Arquitectura:	otras	️ No detectado
Escaneo de antivirus	✅ Limpias	No se detectaron virus.
Firma digital	No firmado	Falta la firma, el archivo puede haber sido modificado.
Integridad del hash	i️ No verificado	La protección del archivo Hash está ausente.
Tamaño del archivo	16,3 kilobits.	16677 bytes.

Las etiquetas:

MD5: 247cd35421b6f380e09732211fffd495
SHA-1: 7710e6541a90bf93329b174a5d8f59f129f5b0f8
SHA-256: 9077a0e7f4bbdd665c316ca833e65df89aae6ac2168679e3eef4adb6de8fb549
SHA-512: 194b1e29e02d15625f3b925037d6af867ab332029375c999aa9fbc3be251dbab3f0c47cc259fcfeca5d0f26d939484c67a3d64e3188222a0b735d355308fd6a0

What is amsi.dll?

Amsi.dll is the core component of the Antimalware Scan Interface (AMSI), a critical Windows security feature introduced by Microsoft. It acts as an interface that allows applications (like PowerShell, Command Prompt, or third-party apps) to send script content and code to the installed antivirus program for scanning before execution.

Ubicación de archivo estándar

The legitimate amsi.dll file is a system file and is located in the following standard directories:

• 64-bit systems (64-bit version): C:\Windows\System32\amsi.dll
• 64-bit systems (32-bit compatibility version): C:\Windows\SysWOW64\amsi.dll

If you find this file inside a user folder, desktop, or temporary directory, it might be malware masking itself as a system file.

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How to Fix amsi.dll Errors Without Downloading Anything

Errores relacionados con amsi.dll usually mean the file is corrupted, missing, or blocked by a conflicting program. Do not download dll files from third-party websites, as they often contain malware.

Here are the safest ways to fix the error using built-in Windows tools:

Método 1: Ejecutar el verificador de archivos del sistema (SFC) y el DISM

Windows has built-in repair tools that can automatically replace corrupted system files like amsi.dll using safe, internal backups.

1. Presiona el... Windows Key, tipo cmd Haga clic derecho. Command Prompt, y seleccione Run as administrator.
2. Type the following command to check and repair system files, then press Enter:

   sfc /scannify

3. After the scan finishes, type this command to repair the Windows system image, then press Enter:

   DISM /Online /Cleanup-Image /RestoreHealth

4. Restart su computadora.

Method 2: Re-register the DLL File

If the file exists but Windows is having trouble recognizing it, you can manually re-register it.

1. Abierto. Command Prompt como Administrador.
2. Escriba el siguiente comando y presione Enter:

   regsvr32 amsi.dll

3. If you get a success message, click OK and restart your app.

Method 3: Check for Windows Updates

Microsoft frequently updates system files like amsi.dll to fix bugs and vulnerabilities.

1. Presione. Windows Key + I para abrir. Settings.
2. Ve a donde... Update & Security (o Windows Update en el sistema operativo Windows 11).
3. Haga clic Check for updates y instalar las actualizaciones disponibles.
4. Restart su PC.

Method 4: Update or Disable Third-Party Antivirus

Sometimes, third-party antivirus software conflicts with the Windows AMSI module, leading to crashes or errors.

1. Temporalmente. disable your third-party antivirus (e.g., Avast, Kaspersky, McAfee).
2. Check if the error persists.
3. If the error goes away, update your antivirus to the latest version, or uninstall it and rely on the built-in Windows Defender.

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If you'd like, let me know:

• ¿ Qué es ? exact error message you see on your screen?
• When does the error happen ? (e.g., when launching a specific app, opening PowerShell, or booting up Windows?)
• el cual version of Windows are you currently using?

I can help you narrow down the exact cause and fix it.

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Herramienta de diagnóstico: comprobar su amsi.dll Artículo

¿Te preocupa que el archivo de tu PC haya sido modificado por malware? Póngalo en el formulario de abajo. Nuestro script verificará su tamaño de archivo, hash criptográfico (MD5/SHA-1), y comprobará si hay una firma digital válida de Microsoft.

Otras versiones:
️ amsi.dll 10.0.19041.4355 32-bit (x86) | ️ amsi.dll 10.0.19041.4355 64-bit (x64)
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