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rtuwpsrvcmain.exe - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

Description

Creation date: 16.01.2019 11:22:14
File version: 12.1.116.2019
Antivirus scan: ✅ OK
Category: System
File size: 911.5 kb.
Architecture: 64-bit (x64)
✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.

Digital file signature rtuwpsrvcmain.exe

Digital signature: signed.
Publisher: Realtek Semiconductor Corp.
Issuer: DigiCert EV Code Signing CA
Encryption algorithm: SHA1
Time stamp: Jul 30 06:43:16 2019 GMT
Signature status: valid
MD5: dccbb2d20a89a6d455840021c5febb80
SHA-1: eb6251be0f972af87f23aaf9356e203be693ddd5
SHA-256: 41d227f5b9d175d381dcf7a8c5845f6e26d7850c00defc493f87f0686fd1f753

Where it is used

This file is primarily associated with Realtek’s network services and provides essential functionalities for device drivers. It ensures that the Realtek network cards, USB interfaces, and wireless components operate correctly within the Windows environment.

Errors related to rtuwpsrvcmain.exe

  • "rtuwpsrvcmain.exe not found": This error typically indicates that the Realtek service is missing, which can cause network connectivity issues.
  • "missing rtuwpsrvcmain.exe": Similar to the above, this message suggests that the file has been deleted or is missing from your system. Without it, certain hardware functionalities may fail.
  • Error loading rtuwpsrvcmain.exe: This error might occur due to corruption in the file or compatibility issues with newer versions of Windows.

File security

The file is a legitimate part of Realtek’s software distribution and does not pose a direct threat as long as it originates from trusted sources. However, unexpected or unauthorized modifications can introduce risks. It's always wise to verify the source and integrity of any downloaded files.

The application rtuwpsrvcmain.exe was unable to start correctly
rtuwpsrvcmain.exe - Application Error If your file was infected with a virus, you can download the original file and replace it.
Also you can: Try to press Win+R then enter sfc /scannow
after try: DISM /Online /Cleanup-Image /RestoreHealth

How to fix errors

  1. Reinstall the program: If you suspect that a Realtek driver or software is causing issues, consider reinstalling it. This can often resolve missing or corrupted files.
  2. Update Windows: Ensure your operating system is up-to-date to maintain compatibility with all necessary system files and services.
  3. Manually replace rtuwpsrvcmain.exe (if needed): You can manually download the correct version of rtuwpsrvcmain.exe from Realtek’s official website. However, proceed with caution as this involves handling sensitive files directly.

Conclusion

The file rtuwpsrvcmain.exe is essential for maintaining stable network and USB functionality on Windows systems, particularly with Realtek devices. If you encounter issues related to this file, follow the recommended steps to fix them.


File Description

rtuwpsrvcmain.exe is a legitimate executable file associated with Realtek wireless network adapters. It stands for Realtek WLAN Protected Setup Service Main. Its primary job is to manage WPS (Wi-Fi Protected Setup) connections for your Realtek Wi-Fi hardware.

Standard File Location

The standard directory for this file is:

  • C:\Program Files\Realtek\Wlan\ or C:\Program Files (x86)\Realtek\Wlan\

Note: If you find this file inside C:\Windows or C:\Windows\System32, it may be malware disguised under a legitimate name.

How to Fix rtuwpsrvcmain.exe Errors Without Downloading Anything

If you are experiencing crashes, high CPU usage, or error pop-ups related to this file, you can fix it using built-in Windows tools.

1. Restart the Realtek WPS Service

Sometimes the service simply gets stuck.

  • Press Windows Key + R, type services.msc, and press Enter.
  • Scroll down and locate Realtek WLAN Protected Setup Service (or similar Realtek WLAN service).
  • Right-click it and select Restart.

2. Disable the Service (If WPS is Not Needed)

If restarting does not work, you can safely disable this specific service. Disabling it will only stop WPS functionality (push-button Wi-Fi setup), but your regular Wi-Fi internet connection will continue to work perfectly.

  • In the services.msc window, right-click the Realtek service and select Properties.
  • Change the Startup type to Disabled.
  • Click Stop under the service status, then click Apply and OK.
  • Restart your computer.

3. Run Windows System File Checker (SFC)

If the file itself is corrupted, Windows can repair it using its local system cache.

  • Press Windows Key + S, type cmd, right-click Command Prompt, and choose Run as administrator.
  • Type the following command and press Enter: sfc /scannow
  • Wait for the verification process to reach 100%, then restart your PC.

4. Roll Back or Reinstall via Device Manager

You can force Windows to restore the working version of the driver already stored in your system.

  • Right-click the Start Menu and select Device Manager.
  • Expand the Network adapters section.
  • Right-click your Realtek Wireless LAN adapter and select Properties.
  • Go to the Driver tab.
  • Click Roll Back Driver if the option is available.
  • If not available, close properties, right-click the adapter again, select Uninstall device, and restart your PC. Windows will automatically reinstall the driver from its local database upon reboot.
Other versions:
️ rtuwpsrvcmain.exe 12.5.2024.724 32-bit (x86)
Realtek Semiconductor Corp.