DLL

F_authbas.dll

Download and install F_authbas.dll to fix missing or corrupted DLL errors.

(4 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Internet Information Services
Description
basic authentication provider
Architecture
x86-64 (64 bit)
Metadata Consensus
4/4 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is F_authbas.dll?

Metadata analysis shows F_authbas.dll is a Dynamic Link Library (DLL) and is described as basic authentication provider .

DLL files (Dynamic Link Library) are used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing windows or replacing the DLL resolves the issue.

How do I fix F_authbas.dll errors?

Most errors involving F_authbas.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common ways to fix DLL errors.

  • Software DLLs: Fully un-install the application and then re-install the latest version. If you are not sure what software is causing problems, check available metadata for clues. If this does not solve your issue, you can try downloading and installing the DLL manually.
  • Windows DLLs: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator. Repair the Windows component store so SFC can pull clean files DISM /Online /Cleanup-Image /RestoreHealth and then scan all system files sfc /scannow to automatically repair problems.
How do I install F_authbas.dll?

To install F_authbas.dll, place the DLL file in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both. If you dont know the application or this does not work, install the DLL to the appropriate Windows system folder.

  • Software Install (Recommended): If known, place the DLL file next to the application’s .exe C:\path\to\exe\F_authbas.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\F_authbas.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\F_authbas.dll
How do I register F_authbas.dll?

Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

  • 64-Bit DLL: Register the DLL file regsvr32 "C:\path\to\F_authbas.dll". (Drag a DLL to automatically fill the full path).
  • 32 Bit DLL: If you are registering a 32-bit DLL on 64-bit Windows, C:\Windows\SysWOW64\regsvr32 "C:\path\to\F_authbas.dll".

Latest Releases

F_authbas.dll
by Microsoft Corporation
for Internet Information Services
basic authentication provider
Version: 10.0.26013.1000 (WinBuild.160101.0800) Verified
Product Version: 10.0.26013.1000
Language: U.S. English (1033)
Uploaded: Sep 12, 2025   Size: 70KB
SHA256: 37d0e08b81208560942f6ee580875f328f0ca8f28ab6733b63e3d7329b4db695
SHA1: 1fba0aaa7f2d8976f5958ed1c46dc2b20db0c4fc
MD5: b46f7c4671d68149f38c6cd171f930a6
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
F_authbas.dll
by Microsoft Corporation
for Internet Information Services
basic authentication provider
Version: 10.0.26013.1000 (WinBuild.160101.0800) Verified
Product Version: 10.0.26013.1000
Language: U.S. English (1033)
Uploaded: May 20, 2024   Size: 70KB
SHA256: 7d0ea7a51175016616a15002f703fe23924dfc0d09a7ccc070c32e0deee791ea
SHA1: fa288e760690032a8a4b91ec3c50fd4d56b1cdad
MD5: 2e090136c1119e0b3a6994f57cd70702
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
F_authbas.dll
by Microsoft Corporation
for Internet Information Services
basic authentication provider
Version: 8.0.8418.0 (winmain(eokim).1205211722) Verified
Product Version: 8.0.8418.0
Language: U.S. English (1033)
Uploaded: Nov 29, 2022   Size: 38.6KB
SHA256: 2aa1c3364fbb4aa04148549c9bffc684d975da729ff3d210a30531214ddb67e0
SHA1: bd918b56525dd111c47d7e8ed44f957046200deb
MD5: 4e0da2a688961851eb2f32b1646f696f
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
F_authbas.dll
by Microsoft Corporation
for Internet Information Services
basic authentication provider
Version: 10.0.25095.1000 (IIS_EXPRESS.2204131324)
Product Version: 10.0.25095.1000
Language: U.S. English (1033)
Uploaded: Oct 26, 2022   Size: 85.9KB
SHA256: 783d000d4ce6632afa32d315bfc16f1fa56776342b725ad880f26d5fefbb477d
SHA1: 95ddcc9c999e05821b1e2365b5a26e64e11a4dbf
MD5: 309612f11b0f8f5fa80c692e848fed2a
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD