![]() ![]() A new window with permission options will appear. Select Permissions, a list will appear to select the account you are using. ![]() Step 8 – Go to the Security tab and once again click on Advanced. For that, right-click on the Compattelrunner.exe file again and open Properties. ![]() Next, you should change the permissions after you have changed the owner. Step 7 – Close the prompts that warn you to close all Properties window. A list of new owners will appear to select the account you use and then click on Apply. Step 6 – Find the Owner tab, and chose Change owner. Step 5 – A window will open, select the Security tab, and click on the Advanced button inside. Step 4 – Once you are inside the folder, look for the Compattelrunner.exe file and right-click on it. Type C:\Windows|System32 and then type CompatTelrunner.exe in the search bar. Step 3 – From the dropdown menu select Open the Location. Keep in mind that you don’t open the file named compattelrunner, and instead right-click on it. Step 2 – A search box will appear type compattelrunner.exe. Step 1 – Press the Windows key on your keyboard, or click on the Windows icon at the end of the taskbar, to open your Start menu. How to Fix CompatTelRunner.exe High CPU and Disk Usage Problem Solution 1 – Take Ownership of CompatTellRunner.exe, and Delete Itīefore proceeding, make sure that you are logged in as an administrator and do not skip any steps below. Hence, you can change it or modify it.Īll you need to do is to take the ownership of the process, after this, you will be able to delete it without removing the whole Windows update and solve your problem or you can let the problem remain, just disable the Scheduled Tasks which executes the program. It happens only because TrustedInstaller is the owner of this process and it only performs Read Only permission over it. This simply means that you cannot delete or modify it in any way. And if you try to modify this, you will encounter an error “Access is denied”. This file is located in the Sytsem32 folder and it is possessed by the TrustedInstaller. This process is not really needed to be performed, it can be deleted but you should run the compatibility checks to diagnose the system by itself. Many of the users also mentioned that there are multiple CompatTelRunner.exe files in the Task Manager that consumes CPU and Disk Usage. The lack of this key does not mean that the device is not compatible with Windows 11, because instead the script returns that it is compatible.This process slows down your PC, so every user wants to get rid of it. We also noticed that some computers with Windows 10 21H2, do not have this registry key. Investigating, we noticed that on several computers there is no registry key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\CompatMarkers\CO21H2". If there are thousands of devices, after several tests we noticed that the result of the script is difficult to handle in an excel file for any searches or filters, so we tried to create a report with the suggestions of the following article.īut we noticed a discrepancy in results between the two methods, that is, by running both methods on a test collection, the first shows all the devices, while the second shows fewer devices. We only use Configuration Manager Current Branch 2111. We are using the Script indicated in this article to centrally track down which devices do not have the hardware prerequisites for upgrading to Windows 11. ![]()
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