What is rlservice.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the rlservice.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Rlservice.exe file information

Windows Task Manager with rlservice
Rlservice.exe process in Windows Task Manager

The process known as RelevantKnowledge belongs to software RelevantKnowledge by TMRG, ( or RelevantKnowledge (

Description: Rlservice.exe is not essential for Windows and will often cause problems. The rlservice.exe file is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 49,792 bytes (20% of all occurrences), 107,136 bytes and 8 more variants. 
The program is not visible. Rlservice.exe is not a Windows system file. The file has a digital signature. Rlservice.exe is able to monitor applications and manipulate other programs. Therefore the technical security rating is 33% dangerous; however you should also read the user reviews.

Uninstalling this variant: If you still experience problems with rlservice.exe, you can uninstall RelevantKnowledge from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify rlservice.exe related errors

Important: Some malware also uses the file name rlservice.exe, for example WS.Reputation.1 (detected by Symantec), and Generic PUP.x!bp or Generic PUP.z!dd (detected by McAfee). Therefore, you should check the rlservice.exe process on your PC to see if it is a threat. If RelevantKnowledge has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


User Comments

Cover for spyware
Bei mir steht rlservice.exe im Ordner C:\Programme\RelevantKnowledge, dazu noch einige andere Dateien, u.a. das mysteriöse Programm rlvknlg.exe, das ständig auf die Festplatte zugreift.
  Horst Wewetzer  
web proxy, intercepts all web traffic
  Michael   (further information)
bei mir gefunden unter ./Programme/RelevantKnowledge/rlservice.exe - hat Netzzugriff massiv verlangsamt und sich als "OSSProxy" in den Browser eingeklinkt. So wurden gezielt Zugriffs-Statistiken abgegriffen.
  D. Nix  
sorry: in English: was found under the path, just before mentioned, significantly slowed web-transfer and installs to own browsers as "OSSProxy". From here the application especially is collecting access-statistics
  D. Nix  
AntiVir erkannte in der Datei C:\Program Files\RelevantKnowledge\rlservice.exe verdächtigen Code mit der Bezeichnung 'ADSPY/AdSpy.Gen'!
Relevantknowledge is not a virus. It is a Research software. If you find it annoying, you can uninstall it from control panel. You can read more about this software on their website
RazerGameBooster use this .exe
  yorotiba   (further information)

Rating chart

Summary: Average user rating of rlservice.exe: based on 6 votes with 8 user comments. One user thinks it's probably harmless. 5 users think rlservice.exe is dangerous and recommend removing it. 2 users don't grade rlservice.exe ("not sure about it").

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Best practices for resolving rlservice issues

A clean and tidy computer is the key requirement for avoiding problems with rlservice. 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 rlservice.exe 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

rlservice.exe [all]