What is WindowsTrustedRTProxy?

WindowsTrustedRTProxy.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if WindowsTrustedRTProxy.sys is a Windows system file or if it belongs to an application that you can trust.

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

WindowsTrustedRTProxy.sys file information

The process known as Windows Trusted Runtime Service Proxy Driver belongs to software Microsoft Windows Operating System by Microsoft (

Description: WindowsTrustedRTProxy.sys is not essential for the Windows OS and causes relatively few problems. The WindowsTrustedRTProxy.sys file is located in the C:\Windows\System32\drivers folder. The file size on Windows 10/8/7/XP is 15,384 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The WindowsTrustedRTProxy.sys file is a trustworthy file from Microsoft. The program is not visible. There is no detailed description of this service. The file is not a Windows system file. WindowsTrustedRTProxy.sys appears to be a compressed file. Therefore the technical security rating is 20% dangerous.

Uninstalling this variant: There is a possibility to visit the vendor's support site or uninstall the software Microsoft Windows using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).

Recommended: Identify WindowsTrustedRTProxy.sys related errors

Important: Some malware disguises itself as WindowsTrustedRTProxy.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the WindowsTrustedRTProxy.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 WindowsTrustedRTProxy issues

A clean and tidy computer is the key requirement for avoiding problems with WindowsTrustedRTProxy. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the WindowsTrustedRTProxy.sys process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

WindowsTrustedRTProxy.sys [all]