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What is rtwlanu?

rtwlanu.sys is a system file associated with the Realtek WLAN USB NDIS driver. This file is a critical component of the Realtek Wireless LAN software, which is developed by Realtek Semiconductor.

The associated software, Realtek Wireless LAN, is used to facilitate wireless network connections on a computer. It allows your computer to connect to Wi-Fi networks, enabling internet access and network communication. The rtwlanu.sys file is a key part of this software, as it contains necessary driver information that the operating system uses to interface with the wireless hardware.

The rtwlanu.sys file is needed for your computer to properly communicate with its wireless hardware. Without it, your computer may not be able to connect to wireless networks, which could limit your internet access and network capabilities. This file is typically safe and should not cause any issues unless it becomes corrupted or infected with malware.

You should not remove rtwlanu.sys as it is essential for the proper functioning of your wireless network connection. If the file becomes corrupted or is identified as malware by a security application, it may need to be removed to resolve system issues or to eliminate a security threat. In such cases, the file should be replaced with a clean version to restore wireless functionality.

Run a free scan to check for rtwlanu drivers in need of updating

Rtwlanu.sys file information

The process known as Realtek WLAN USB NDIS Driver (version 28199, 80816) belongs to software Realtek Wireless LAN (version 802.11n USB 2.0 Network Adapter) or Wireless LAN (version 802.11n USB 2.0 Network Adapter) by (www.realtek.com.tw).

Description: Rtwlanu.sys is not essential for the Windows OS and causes relatively few problems. The rtwlanu.sys file is located in a not clearly defined folder. file.net/process/rtwlanu.sys.html 
The driver can be started or stopped from Services in the Control Panel or by other programs. The service has no detailed description. It is not a Windows core file. The program is not visible. The file has a digital signature. Rtwlanu.sys is a Microsoft signed file. Therefore the technical security rating is 16% dangerous.

Recommended: Identify rtwlanu.sys related errors

Important: Some malware camouflages itself as rtwlanu.sys. Therefore, you should check the rtwlanu.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

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Best practices for resolving rtwlanu issues

A clean and tidy computer is the key requirement for avoiding problems with rtwlanu. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.

To help you analyze the rtwlanu.sys process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

rtwlanu.sys [all]