wlanhlp.dll - Analyze and How to Fix Errors
★★★★☆ Verified File (27.08.2026)⚠️ Important Notice: Troubleshoot WLAN issues and optimize your wireless network with
wlanhlp.dllessentials. Manually replacing system libraries can brick future Windows updates or cause critical system failures.
| Architecture: | other | ️ Not detected |
| Antivirus scan | ✅ Clean | No viruses detected. |
| Digital signature | 🟡 Not signed | Signature missing. The file may have been modified. |
| Hash Integrity | ℹ️ Unverified | File Hash protection is missing. |
| File size | 170 bytes. | 170 bytes. |
Hashes:
MD5: 94ed909ad6a9d3c759cddde43b2bc6ddSHA-1: a4597527e6a462abe71106b7a1040354f8ff045f
SHA-256: dd87c0c76ca1acc2e83d2bca1f7d79a715808e338581b9e24f9e2b42b6b0a8b9
SHA-512: f267092ebdc64b6cf4ea97af842ef58513f0eddc16f8a47f1ae15435bfdf64f06cc4261e6bb61aa345004b80ad3a1db9b659a170f075040f827398aa78c5df43
Description of wlanhlp.dll
- Name: Windows Wireless LAN Helper API
- Type: Dynamic Link Library (DLL) file
- Function: Assists Windows with wireless network connections.
- Role: Handles Wi-Fi configurations and network connectivity profiles.
Standard File Location
C:\Windows\System32\(for 64-bit files on 64-bit systems, or 32-bit files on 32-bit systems)C:\Windows\SysWOW64\(for 32-bit files on 64-bit systems)
How to Fix wlanhlp.dll Errors Without Downloading
1. Run SFC (System File Checker)
- Open the Start Menu.
- Type cmd.
- Right-click Command Prompt.
- Select Run as administrator.
- Type
sfc /scannow. - Press Enter.
- Wait for the scan to finish.
- Restart your computer.
2. Run DISM Tool
- Open Command Prompt as administrator.
- Type
DISM /Online /Cleanup-Image /RestoreHealth. - Press Enter.
- Let the process complete.
- Restart your PC.
3. Update Network Drivers
- Right-click the Start Menu.
- Select Device Manager.
- Expand Network adapters.
- Right-click your Wi-Fi card.
- Click Update driver.
- Select Search automatically for drivers.
4. Use System Restore
- Type Create a restore point in Windows search.
- Click the top result.
- Click the System Restore button.
- Choose a date before the error started.
- Follow the on-screen prompts.
- Finish and restart.
If you are still experiencing issues, let me know. I can help you check Windows Update status, troubleshoot your specific Wi-Fi hardware model, or look up the exact error code you see.
📊 Diagnostics Tool: Verify Your wlanhlp.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:️ wlanhlp.dll 10.0.19041.5915 32-bit (x86) | ️ wlanhlp.dll 10.0.19041.5915 64-bit (x64)