ProtocolFilters.dll: download the file and fix the error

32-bit (x86) Adguard Scanned by antivirus

ProtocolFilters.dll is a file of the software Adguard (“Adguard network driver api”). Version offered here: 5.9.0.20, 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 ProtocolFilters.dll

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

⇓ Download ProtocolFilters.dll .zip file: the DLL + its instructions · downloaded 2,031 times

Version: 5.9.0.20
Architecture: 32-bit (x86)
Size: 1.23 MB

Then:

Extract ProtocolFilters.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: 5cac8b0bd51e671daae1e8764452686153f9dcb23092a74120b93ee930bb3980 · Check on VirusTotal · Product: Adguard

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides ProtocolFilters.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 ProtocolFilters.dll

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

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