Authui.dll: Overview The file authui.dll stands for Authentication User Interface Dynamic Link Library.
| Version | File Size | Company | Architecture | Language | Download |
|---|---|---|---|---|---|
| 6.3.9600.18333 (winblue_ltsb.160505-0600) | 2,407.0 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.3.9600.17031 (winblue_gdr.140221-1952) | 2,401.5 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.3.9600.17031 (winblue_gdr.140221-1952) | 2,708.5 KB | Microsoft Corporation | x64 (64-bit) | English (United States) | Download |
| 6.3.9600.17031 (winblue_gdr.140221-1952) | 2,263.5 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.3.9600.16384 (winblue_rtm.130821-1623) | 2,241.5 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.2.9200.16728 (win8_gdr.131001-1503) | 1,988.0 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.1.7601.24052 (win7sp1_ldr.180202-0600) | 1,764.5 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.1.7601.18103 (win7sp1_gdr.130226-1435) | 1,754.0 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.1.7601.17514 (win7sp1_rtm.101119-1850) | 1,750.0 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.1.7600.16385 (win7_rtm.090713-1255) | 1,750.0 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 6.0.6001.18000 (longhorn_rtm.080118-1840) | 2,218.5 KB | Microsoft Corporation | x64 (64-bit) | English (United States) | Download |
| 6.0.6001.18000 (longhorn_rtm.080118-1840) | 1,938.5 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 10.0.14393.0 (rs1_release.160715-1616) | 779.5 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 10.0.14393.0 (rs1_release.160715-1616) | 861.0 KB | Microsoft Corporation | x64 (64-bit) | English (United States) | Download |
| 10.0.10586.494 (th2_release_sec.160630-1736) | 2,104.5 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 10.0.10586.494 (th2_release_sec.160630-1736) | 2,297.0 KB | Microsoft Corporation | x64 (64-bit) | English (United States) | Download |
| 10.0.10586.0 (th2_release.151029-1700) | 2,104.5 KB | Microsoft Corporation | x86 (32-bit) | English (United States) | Download |
| 10.0.10586.0 (th2_release.151029-1700) | 2,297.0 KB | Microsoft Corporation | x64 (64-bit) | English (United States) | Download |
The file authui.dll stands for Authentication User Interface Dynamic Link Library. It is a critical component of the Windows operating system, responsible for handling various authentication and login processes, including the user interface aspects of the secure logon.
Authui.dll is typically located in the following directory:
C:\Windows\System32\This file is published by Microsoft Corporation as part of the Windows operating system.
Authui.dll is an important system file. It should not be deleted or altered, as doing so can cause significant issues with the system’s logon and authentication functionalities, potentially making it impossible to log into the system.
Some common issues related to authui.dll include:
Security concerns may arise if the file is corrupted or replaced by a malicious version. Such scenarios can lead to unauthorized access or compromised system security.
If you encounter an "authui.dll is missing" error, you can try the following steps:
sfc /scannow to scan and repair missing or corrupted system files.