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wlandlg.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: File: wlandlg.dll - Essential Windows DLL for Wireless Network Dialogs and Management. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:other️ Not detected
Antivirus scan✅ Clean No viruses detected.
Digital signature🟡 Not signedSignature missing. The file may have been modified.
Hash Integrityℹ️ UnverifiedFile Hash protection is missing.
File size1.3 kb.1294 bytes.

Hashes:

MD5: e474cdfe9a440de9704dac7d6a1b71a7
SHA-1: d5e106a2332e42e03346dcb2d1bd335c5fb6b06c
SHA-256: b59061989b69a1940225a9080b483604c4790ece7e93b08c70244bcadc038290
SHA-512: 86fade1613a9e48e0f5bb83e5d209a71585e2b17bc2df48719de867d1ff03c13d81b5a2dc297926d979a965dda30e70f2c983f1e31bf94f31736bf523c41416f

wlandlg.dll File Information and Error Fixes

File Description

  • Name: wlandlg.dll
  • Description: WLAN Connection Dialog Resource DLL
  • Function: This is a legitimate Microsoft Windows system file. It contains user interface resources, dialog boxes, and menus used by the Operating System to manage wireless (Wi-Fi) network connections and authentication prompts.

Standard File Location

  • Primary Path: C:\Windows\System32\
  • 64-bit Systems (32-bit copy): C:\Windows\SysWOW64\

How to Fix wlandlg.dll Errors Without Downloading

Do not download this file from third-party websites. Those files often contain malware. Use these built-in Windows tools to fix the error for free.

1. Run the System File Checker (SFC)

This tool scans your computer for missing or corrupted system files and automatically replaces them with healthy copies.

  1. Press the Windows Key.
  2. Type cmd.
  3. Right-click Command Prompt and select Run as administrator.
  4. Type sfc /scannow and press Enter.
  5. Wait for the scan to finish (10–15 minutes) and restart your computer.

2. Run the DISM Tool

If the SFC tool cannot fix the file, the Deployment Image Servicing and Management (DISM) tool will fetch a fresh copy of the file directly from Microsoft update servers.

  1. Open Command Prompt as administrator (same steps as above).
  2. Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
  3. Restart your computer after the process reaches 100%.

3. Update or Reinstall Wi-Fi Drivers

A corrupted network driver can trigger errors associated with this DLL file.

  1. Right-click the Start Menu and select Device Manager.
  2. Expand the Network adapters section.
  3. Right-click your wireless card (e.g., Intel, Realtek, Qualcomm) and select Update driver.
  4. Choose Search automatically for drivers.
  5. If the error persists, select Uninstall device instead, then restart your PC. Windows will reinstall the driver automatically upon boot.

4. Run Windows Update

Missing security patches or system updates can cause compatibility issues.

  1. Open Settings (Press Windows Key + I).
  2. Go to Update & Security (or Windows Update).
  3. Click Check for updates and install all pending items.

📊 Diagnostics Tool: Verify Your wlandlg.dll File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Other versions:
️ wlandlg.dll 10.0.19041.3636 32-bit (x86) | ️ wlandlg.dll 10.0.19041.3636 64-bit (x64)
Similar files:
️wlandlg.dll.mui