msasn1.dll: download the file and fix the error

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

msasn1.dll is a file of the software Microsoft® Windows® Operating System (“ASN.1 Runtime APIs”), published by Microsoft Corporation. Version offered here: 5.1.2600.2180, 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 msasn1.dll

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

⇓ Download msasn1.dll .zip file: the DLL + its instructions · downloaded 2,614 times

Version: 5.1.2600.2180
Architecture: 32-bit (x86)
Size: 57.34 KB
Publisher: Microsoft Corporation

Then:

Extract msasn1.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: be68444334ae1c0a209865c268b9d74d8c60b32f5b1de0ff569f321f47986b6d · 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 msasn1.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 msasn1.dll

The program can't start because msasn1.dll is missing.
Error loading msasn1.dll. The specified module could not be found.
Failed to load msasn1.dll

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