AUTHEXT.DLL Download & Fix Errors

Authext.dll: Overview Authext.dll stands for "Authentication Extension Dynamic Link Library." It is a system file used by Windows operating systems for handling authentication tasks, such as verifying user credentials.

Available Versions of authext.dll

Version File Size Company Architecture Language Download
6.3.9600.16384 (winblue_rtm.130821-1623) 36.0 KB Microsoft Corporation x64 (64-bit) English (United States) Download
6.3.9600.16384 (winblue_rtm.130821-1623) 30.5 KB Microsoft Corporation x86 (32-bit) English (United States) Download
6.3.9600.16384 (winblue_rtm.130821-1623) 32.5 KB Microsoft Corporation x64 (64-bit) English (United States) Download
6.3.9600.16384 (winblue_rtm.130821-1623) 28.0 KB Microsoft Corporation x86 (32-bit) English (United States) Download
6.3.9600.16384 (winblue_rtm.130821-1623) 26.5 KB Microsoft Corporation x86 (32-bit) English (United States) Download
10.0.14393.0 (rs1_release.160715-1616) 87.0 KB Microsoft Corporation x86 (32-bit) English (United States) Download
10.0.14393.0 (rs1_release.160715-1616) 99.0 KB Microsoft Corporation x64 (64-bit) English (United States) Download
10.0.10586.0 (th2_release.151029-1700) 93.0 KB Microsoft Corporation x64 (64-bit) English (United States) Download
10.0.10586.0 (th2_release.151029-1700) 78.5 KB Microsoft Corporation x86 (32-bit) English (United States) Download

Authext.dll: Overview

Authext.dll stands for "Authentication Extension Dynamic Link Library." It is a system file used by Windows operating systems for handling authentication tasks, such as verifying user credentials.

Location

Authext.dll is typically found in the C:\Windows\System32\ directory, which is the main location for system files in Windows.

Publisher

This file is published by Microsoft Corporation, the company responsible for the Windows operating system.

Importance

Authext.dll is an important system file for handling authentication-related processes. Deleting it can lead to system instability or malfunction in authentication processes. Therefore, it should not be deleted.

Common Issues and Security Concerns

How to Fix 'authext.dll is Missing' Errors

  1. Restart Your Computer: Sometimes, a simple restart can resolve the issue.
  2. Run System File Checker:
    1. Open Command Prompt as an administrator.
    2. Type sfc /scannow and press Enter.
    3. Wait for the process to complete and follow any on-screen instructions.
  3. Use Windows Update: Ensure your system is up to date, as updates may replace or fix corrupted files.
  4. Run a Malware Scan: Use a reliable antivirus program to scan your computer for malware that might have affected the file.
  5. Restore from Backup: If you have a recent backup, consider restoring the file from there.
  6. Reinstall Windows: As a last resort, consider reinstalling Windows to replace all system files.