Buzz
CompatTelRunner.exe is a Windows system process that appears in the background to update the latest version of Windows you are using and sometimes to update small bug fixes or Service Packs. Additionally, this process is sometimes used to diagnose Windows compatibility issues and collect necessary information about errors for CEIP programs to improve customer experience.
Sometimes we notice that this process consumes a lot of system resources including CPU and Disk, which is why we encounter CPU 100% or full disk 100% errors. In fact, during normal computer usage, this process is unnecessary. Furthermore, we need to be more cautious about the privacy information collected by this process. It is only useful when diagnosing potential issues with your system updates. Therefore, when you see this process appear, you should turn it off to save resources for the system along with securing private information. It is also a way to fix CPU 100% or full disk errors on your computer.
Fixing High CPU and Disk Usage Caused by CompatTelRunner.exe
Note: Before attempting the following methods to fix errors, you should close all applications and restart your computer to ensure that the actions you take do not cause conflicts and errors for the system and software.
Scanning and Repairing Corrupt Files on the Windows System
In theory, the CompatTelRunner.exe process does not consume many resources on your computer. However, in practice, if this process consumes system resources, you should immediately consider that the system may have issues when some files are corrupted or missing. To address this issue, you can use the built-in tool to repair system files on Windows.
To open the command prompt interface, press the Windows + X key combination, then select Command Prompt (Admin), and enter the command line
sfc /scannow
The system will automatically scan and identify error issues on your operating system. After fixing the errors, restart your computer and check again for any issues.
Block CompatTelRunner.exe from running on Windows
Step 1: Click on Start, type Task Scheduler to open the Task Scheduler program
Step 2: Navigate to Task Scheduler Library > Microsoft > Windows > Application Experience
Step 3: Right-click on the Microsoft Compatibility Appraiser item, select Disable
Restart your computer and check again to see if the issue persists
Delete the CompatTelRunner.exe file from your computer
Step 1: Press the Windows + R key combination to open the Run window, type the command C:\Windows\System32
Step 2: Find the CompatTelRunner.exe file in System32
Step 3: Right-click on the file, select Properties. In the Properties window, click on the Sercurity tab, then click the Advanced button
Step 5: Click on the Change line next to TrustedInstaller
Step 6: Enter the name of the User you are using, click Check name, then click Ok to confirm permissions for that User
Step 7: Double-check the User in the display permissions
Step 8: Proceed to delete the CompatTelRunner.exe file in the System32 folder above, restart the computer, then check to see if the issue persists.
To check CPU usage, you can use CPU Z to display hardware information on your computer, download and install the latest version of CPU Z available on Mytour
So, with just a few simple steps, you can fix the CompatTelRunner.exe resource hogging issue. Please note to only use the methods above for this case, do not use them to delete other files in the operating system component causing system damage. System processes sometimes affect the performance of the computer when not working properly, you can also fix fulldisk errors on operating systems to improve computer performance.
