isdnui.dll: download the file and fix the error

32-bit (x86) Microsoft® Windows® Operating System Scanned by antivirus

isdnui.dll is a file of the software Microsoft® Windows® Operating System (“Windows ISDN Properties”), published by Microsoft Corporation. Version offered here: 4.00.1150, 32-bit.

If this file is missing or damaged, the program that uses it does not start and Windows displays an error message. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only isdnui.dll

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

⇓ Download isdnui.dll .zip file: the DLL + its instructions · downloaded 2,116 times

Version: 4.00.1150
Architecture: 32-bit (x86)
Size: 27.14 KB
Publisher: Microsoft Corporation

Then:

Extract isdnui.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: 9727251fd5778aa49e05e6d004de5f09017c45408e04f2f8190bf3b70a9f2ff3 · Check on VirusTotal · Product: Microsoft® Windows® Operating System

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides isdnui.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 isdnui.dll

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

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