What is RTCore64?
The genuine RTCore64.sys file is a software component of MSI Afterburner by MSI.
MSI Afterburner is an overclocking utility for graphics cards. RTCore64.sys is a kernel mode driver that monitors system components. This is not a critical Windows component and may be removed if known to cause problems, however, removing this file may cause problems while running MSI Afterburner.
MSI Afterburner is a freeware hardware configuration, monitoring, and overclocking utility developed by MSI that supports graphics cards from various brands such as Nvidia and ATI. The program enables users to monitor and control the voltage, frequency (clock-speed), temperature and other parameters of graphics cards. MSI Afterburner supports the Microsoft Windows platform.
MSI (Micro-Star International Co., Ltd.) is a Taiwanese company that manufactures and distributes computer hardware such as graphics cards, motherboards, desktops, laptops, servers, etc. MSI was founded in 1986 by five former employees of Sony: Joseph Hsu, Frank Lin, Jeans Huang, Kenny Yu, and Henry Lu, with a focus on designing and manufacturing motherboards. The company currently owns offices on five continents and employs over 14,000 people with a presence in over 120 countries. MSI is currently headquartered in New Taipei City, Taiwan.
RTCore64 stands for MSI Afterburner Real-Time Monitoring Core (64-bit)
RTCore64.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 RTCore64.sys is a Windows system file or if it belongs to an application that you can trust.
Run a free scan to check for RTCore64 drivers in need of updating
RTCore64.sys file information
The process known as RTCore64 belongs to software MSI Afterburner or EVGA Precision X by MICRO-STAR INTERNATIONAL CO., LTD or EVGA (www.evga.com).
Description: RTCore64.sys is not essential for the Windows OS and causes relatively few problems. RTCore64.sys is located in a subfolder of "C:\Program Files (x86)"—mostly C:\Program Files (x86)\MSI Afterburner\ or C:\Program Files (x86)\MSI Afterburner\Legacy\.
Known file sizes on Windows 10/11/7 are 14,024 bytes (32% of all occurrences), 36,824 bytes and 6 more variants. 
The driver can be started or stopped from Services in the Control Panel or by other programs.
There is no detailed description of this service. The RTCore64.sys file is not a Windows core file. The program is not visible. The application has no file description. The file is certified by a trustworthy company.
RTCore64.sys appears to be a compressed file.
Therefore the technical security rating is 41% dangerous, but you should also take into account the user reviews.
Uninstalling this variant:
You could uninstall
MSI Afterburner or
EVGA Precision X from your computer using the Control Panel applet
Uninstall a Program.
Recommended: Identify RTCore64.sys related errors
Important: Some malware camouflages itself as RTCore64.sys. Therefore, you should check the RTCore64.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.
Best practices for resolving RTCore64 issues
A clean and tidy computer is the key requirement for avoiding problems with RTCore64. 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 RTCore64.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
hpui.exe fitbit connect.exe oreans32.sys RTCore64.sys realplay.exe 64bar.dll katmouses.dll rlhostservice.exe avkcks.exe adappmgr.exe gbiehabn.dll [all]
Score
User Comments
Summary: Average user rating of RTCore64.sys: based on 2 votes with 1 user comment. One user thinks RTCore64.sys is essential for Windows or an installed application. One user thinks it's probably harmless.