DLL

aspnet_filter.dll

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

(83 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® .NET Framework
Description
Microsoft ASP.NET ISAPI Filter DLL
Architecture
x86-64 (64 bit) x86 (32 bit) ARM64
Metadata Consensus
79/83 Files 95.2%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is aspnet_filter.dll?

Metadata analysis shows aspnet_filter.dll is a Dynamic Link Library (DLL) and is described as Microsoft ASP.NET ISAPI Filter DLL .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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 aspnet_filter.dll errors?

Most errors involving aspnet_filter.dll occur because the DLL is missing, corrupted, or outdated.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 aspnet_filter.dll?

To install aspnet_filter.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\aspnet_filter.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\aspnet_filter.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\aspnet_filter.dll
How do I register aspnet_filter.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\aspnet_filter.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\aspnet_filter.dll".

Latest Releases

aspnet_filter.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Microsoft ASP.NET ISAPI Filter DLL
Flavor=Retail
NEW Version: 4.8.9221.0 built by: NET481REL1LAST_25H2 Verified
Product Version: 4.8.9221.0
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 35.1KB
SHA256: c03abdb527bd9fd464f6eb8d2e7aedb39a5e0bafa1f90998671f6693068f6530
SHA1: 64e4f83b7795323aa03935c7da439fed81a6edd9
MD5: c31ca5b250cc8dc23bb80fb5b3dd7fa3
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
aspnet_filter.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Microsoft ASP.NET ISAPI Filter DLL
Flavor=Retail
NEW Version: 4.8.9221.0 built by: NET481REL1LAST_25H2 Verified
Product Version: 4.8.9221.0
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 31.6KB
SHA256: 7807e93858ab914ca8753ef27c9d6980572c333d87c3d7ac5a528992e65ebee5
SHA1: 7d7a287c258e679db70ca9c11c722f81c31ec383
MD5: af83d6b551dd871c168866d96dae9dc7
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
aspnet_filter.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Microsoft ASP.NET ISAPI Filter DLL
Flavor=Retail
Version: 2.0.50727.1432 (REDBITS.050727-1400)
Product Version: 2.0.50727.1432
Language: U.S. English (1033)
Uploaded: Dec 13, 2025   Size: 21.5KB
SHA256: 6919e03877b394adec690fd7a251ad14d0ebad81d3dc5a4a674a46b57b15c47e
SHA1: e8237518730742fb9e8f8030899841dacd6d3094
MD5: 198f479fa9b44fff99edbbe9fbcc25a7
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
aspnet_filter.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Microsoft ASP.NET ISAPI Filter DLL
Flavor=Retail
Version: 4.6.1532.0 built by: NETFXREL1LAST Verified
Product Version: 4.6.1532.0
Language: U.S. English (1033)
Uploaded: Oct 11, 2025   Size: 38.2KB
SHA256: 6d6b04dfd1915768982a54dbcc8fa84b5e89e816cfeb903b4a59325cadfa1717
SHA1: 95072f0e82a984034ab6e073e68c7921b196e993
MD5: 70b8b855f273458209a05fbc4e065bb9
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
aspnet_filter.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Microsoft ASP.NET ISAPI Filter DLL
Flavor=Retail
Version: 4.6.1532.0 built by: NETFXREL1LAST Verified
Product Version: 4.6.1532.0
Language: U.S. English (1033)
Uploaded: Oct 11, 2025   Size: 35.2KB
SHA256: d98df985673268896c39869d00a3b8a084a6d78eb1585d235fb070ad850488e2
SHA1: e00b683f130d127ab59c23e4ed472c5e3564bb3b
MD5: a65159cab3ac244c6db2a6d76287648f
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD