aspnet_isapi.dll: download the file and fix the error

32-bit (x86) Microsoft (R) .NET Framework Scanned by antivirus

aspnet_isapi.dll is a file of the software Microsoft (R) .NET Framework (“aspnet_isapi.lib”), published by Microsoft Corporation. Version offered here: 1.0.3705.6018, 32-bit.

An error message appears when the program concerned starts if this file is missing, deleted or corrupted. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only aspnet_isapi.dll

Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.

⇓ Download aspnet_isapi.dll .zip file: the DLL + its instructions · downloaded 2,334 times

Version: 1.0.3705.6018
Architecture: 32-bit (x86)
Size: 200.7 KB
Publisher: Microsoft Corporation

Then:

Extract aspnet_isapi.dll from the zip file and copy it to the folder of the program showing the error (where its .exe file is).
Still getting the error? Copy it to C:\Windows\SysWOW64 (64-bit Windows) or C:\Windows\System32 (32-bit Windows), then restart.

SHA-256: 173ae02962437958b46bbebcd59d3b9bef124f3ec130b5e77c2baa1a7d8751d1 · Check on VirusTotal · Product: Microsoft (R) .NET Framework

Method 2 ·complete · depends on the program

Reinstall the program that shows the error

The program normally provides aspnet_isapi.dll itself, in the exact version it expects. Recommended if several files are missing or if the error comes back.

Settings › Apps › Installed apps: uninstall the program or game concerned.
Reinstall it from its original setup program, then restart your computer.

Error messages related to aspnet_isapi.dll

The program can't start because aspnet_isapi.dll is missing.
Error loading aspnet_isapi.dll. The specified module could not be found.
Failed to load aspnet_isapi.dll

Nearby DLL files

aspishim.dll asplib.dll aspnet_counters.dll aspnet_filter.dll aspnet_rc.dll aspnetdesignermgr.dll aspnetoc.dll aspperf.dll