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CompatTelRunner.exe High CPU and Disk Usage Error [Solved]

CompatTelRunner.exe High CPU and Disk Usage Error

Microsoft has developed various setups or extension files that facilitate the update process. One such update file extension is CompatTelRunner.exe. It works as a preparatory before the Windows installer materializes the concrete system files of the installation process. The extension works to ensure the compatibility of the device while update the Operating system version.

In other words, It validates whether the new computer files would be able to work smoothly in the system or not. Also, the file works to update service packs that come pre-loaded in the installing medium. The file extension performs this important task while updating the operating system.

CompatTelRunner.exe High CPU and Disk Usage Error

The user can opt not to let this software run and thereby save time. Although, if you need to check the compatibility before installing the latest operating system, then you can let the windows installer perform the initial diagnostic steps. Unfortunately, a minor glitch here is that CompatTelRunner.exe consumes a lot of CPU and disk usage. Users have observed that the CompatTelRunner.exe file consumes more than 60% of the CPU and Disk usage before the updates concretely take place.

The process is not crucial to update, and the user can terminate it. The user can find the file placed in the ‘System32’ folder. For security purposes, the Windows installer does not allow to delete this file, and the users can only view it in ‘Read Only’ mode. It restricts the user from making any changes to the file’s functions.

How To Solve CompatTelRunner.exe High CPU and Disk Usage

Fortunately, every problem comes with manageable solutions. One of the solutions is that the administrator can adopt the possession of the installation process and then proceed further to remove the extension file from the computer. Another solution is to restrict the ‘Scheduled files’ to work while installing the operating system. Let us briefly understand how to solve the CompatTelRunner.exe High CPU and Disk Usage problem.

Method 1 – Corrupt System Files

Ideally, the file should not consume so much of the CPU and disk usage. It can happen if corrupt system files are present on the computer. Fortunately, the operating system has provided a tiny yet dominant command prompt facility called System File Checker (SFC).

Running this simple facility can fix any corrupt files present on the computer. Before running this, you need to create a full back-up restoring of all the files and features running in the computer to avoid any data loss. Login the computer using the administrator mode to conduct the task.

Perform the following steps to run the SFC command:

Step 1 – To begin with, press the Windows logo key + R at the same time using the administrator mode.


Step 2 – The run dialog box will appear on the screen. Type ‘cmd‘ on the address bar and to open the command prompt using administrator mode press control + shift + enter.

command prompt

Step 3 – The command prompt (Admin) will appear on the screen. Type the following command and press enter to perform system file checker (SFC) utility:

sfc /scannow

Corrupt System Files

Step 4 – Finally, Replace all the corrupt files in the system.

Restart the computer so that the new settings can take effect. It can rectify the problem of high CPU and disk space usage while installing a new operating system.

Other Solutions:-

Method 2 – Stop CompatTelRunner.exe File From Running

As mentioned above, the user can discontinue the file to function using the ‘Task Scheduler.’ Execute the following steps for the same.

Step 1 – To begin with, press the Windows logo key + R simultaneously.


Step 2 – Now, type ‘taskschd.msc‘ on the address bar and press Enter.

Task Scheduler

Step 3 – Task Scheduler window will appear on the screen. Double-click on ‘Task Scheduler Library‘; then double-click on ‘Microsoft‘; then double-click on ‘Windows‘ and finally click on ‘Application Experience.’

Stop CompatTelRunner.exe File From Running

Step 4 – Finally, from the available scheduled tasks, navigate for and right-click on ‘Microsoft Compatibility Appraiser‘ and select ‘Disable‘.

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Disable Microsoft Compatibility Appraiser

This will successfully stop the ‘CompatTelRunner.exe‘ from running in your computer and solve the problem.

Method 3 – Take Possession of CompatTellRunner.exe and Then Remove It

As mentioned above, you can take possession of the file and then remove it. It offers a simple resolution to the problem. Login your computer with the administrator mode and perform the following steps for the same.

Step 1 – To begin with, you need to go to the folder where the extension file is present. For this, press Windows Logo Key + R simultaneously. A Run dialog box will appear. Type ‘C:\Windows\System32’ in the address bar and click on ‘ok.’

Step 2 – The folder will appear on the screen. Now, navigate for the file ‘CompatTelRunner.exe‘ along with the folder.

Step 3 – Once you locate it, right-click on the file and select ‘Properties.’ From the tabs visible in the properties window, click on the ‘Security’ tab.

Step 4 – Press the Advanced button located at the bottom of the window.

Step 5 – A new window will appear on the screen. Click on the ‘Change’ option situated under the head ‘Owner.’

Step 6 – To change the possession, enter the computer’s username under the option ‘Enter the object name to select’ and click on ‘Choose Names‘ to verify the username.

Step 7 – Finally, click on ‘OK.’ Now, again, go to the ‘Advanced’ option under the ‘Security’ tab and double click on the current username.

Step 8 – Lastly, click on tick ‘Full control‘ checkbox and press enter. That’s it. You are good to go now.

Now, delete the ‘CompatTelRunner.exe‘ file from your computer.

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Note that ‘CompatTelRunner.exe‘ does not harm the computer in any way. Although, in some cases, the CompatTelRunner.exe extension file can start consuming enormous CPU usage and disk space. The user should deal with the rising problem to avoid any possible damage to the hardware. Hopefully, the above solutions have helped rectify the CompatTelRunner.exe high CPU and disk usage error.

Error 0x800705b4 in Windows Update and Windows Defender

Windows Update Error 0x800705b4 Error

The Windows Update Error 0x800705b4 is a common error that customarily occurs when users attempted to upgrade or update their Windows versions to higher types. In 2016, Windows announced an update to their Windows 10 model. This update was referred to as the “Windows Anniversary Update” and was set to be available to almost 350 million devices worldwide at that time.

Windows Update Error 0x800705b4 Error

It was initially thought to be a successful launch but turned out to be a little bit kind of a failure when users began encountering numerous errors related to the download. It included the Windows Update Error 0x800705b4. The error was frustrating as it caused the download to pause or get stuck halfway, persisted for long periods, prevented any further updates from taking place and many more such kind of problems were faced when used by users while practically .being downloaded.

Furthermore, other outdated/corrupted components were the main reason behind the 0x800705b4 error occurs are about the functioning of the Windows Defender System when it does not allow to or is unable to start. Outdated Defender Systems were unable to process the update and hence prevented it from systems, configurations and third-party software being used also posed a problem when the update was being installed.

How to Solve Windows Update Error 0x800705b4

Few methods are listed below to solve Windows Update Error 0x800705b4 error:

Method 1 – Run The Troubleshooter

Step 1 – Firstly, try to locate the Troubleshooting option by searching for Troubleshoot in the search bar.

Step 2 – Then select the Troubleshoot option on the pop-up menu.

Step 3 – Then click the View All option located on the left panel.

Step 4 – Now, click on the Windows Update in the list and select the Advanced option.

Step 5 – Afterward, select the Run as administrator option and then choose Next.,

Finally, by now, the Troubleshooter should have identified all the problems, including the 0x800705b4 error, and fix them, thereby allowing the Update to occur uninterrupted.

Other Solutions:-

Method 2 – Start Windows Defender

Step 1 – To begin with, first go to the Services option either by clicking on the Windows + R keys together or by typing in Services in Cortana and right-clicking and selecting Run as administrator. In the box that appears on the screen of your system, then type services.msc and now press Enter.

Step 2 – Then in the Window that pops up, locate the Windows Defender option in the services list.

Step 3 – After this make sure that the Status column display says Started/Running. If this column is blank, right-click the option and click Start.

Step 4 – If an error occurs stating that Windows Defender requires being force-started pops-up, then go back to the services box and change the Start-up Type to Automatic. This option is available in the Properties section, which is obtained by right-clicking windows defender threat protection service properties option in the column.

Finally, you can restart your computer and check for updates.

Method 3 – Using The “Background Intelligent Transfer Service” Property

Step 1 – Firstly, go to the Services option either by clicking on the Windows + R keys together or by typing in Services in Cortana and right-clicking and selecting Run as administrator. In the box that appears, type in services.msc and then press Enter.

Step 2 – Now locate the Background Intelligent Transfer Service option. Right-click on it and click on Stop.

Step 3 – Next, locate the Windows Update option.

Step 4 – Now right-click on it and then click on Stop.

Step 5 – Then go to the PC option and search for Software Distribution. Empty/ Delete all the files in this folder (All the content may not delete. The Primary goal of this step is to delete the folders titled Download and “Delivery Optimization.”)

To end this method, restart your PC.

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Method 4 – Changing the Settings for the Windows Update Panel

Step 1 – To begin with, first go to the Windows Update Panel either by searching for Check for updates in the search box or by going to the Settings Menu and selecting the Update and Security option at the bottom of the box.

Step 2 – Then in the Windows Update panel, click on Advanced options.”

Step 3 – Next, uncheck the option titled Give me updates for other Microsoft products when I update Windows and then restart your computer.

Step 4 – Afterward, go back to the Windows Update Setting highlighted in Step 1 and click Check for updates.

Step 5 – Now repeat the above step until you receive the message Your device is up to date.

Step 6 – Then Re-select the option Give me updates for other Microsoft products when I update Windows.

To end this method, return to the main page and select the Check for updates option again and the Update should download successfully.

Note: For this option to be successful, it is sometimes advisable to temporarily disable Windows Defender.

Method 5 – Disable Third-Party Software

Step 1 – First, Locate any third-party antivirus software or firewalls that may be present and enabled on the PC.

Step 2 – Then temporarily disable the software and any kind of firewalls that may be present on your PC.

Step 3 – After this turn on the Windows firewall and check to see if the error has disappeared.

Method 6 – Media Creation Tool

Downloading this tool can be regarded to be one of the most comfortable and most assured ways of downloading the update. As it works on the principle of creating independent ISOs for performing updates while at the same time preserving original files.

Last but not least method in this list is:

Method 7 – Using Other Software/Methods

Step 1 – The first step in this method is to run a Clean Boot on Windows and then checking for updates again.

Step 2 – Then update the Drivers on your computer either manually or by Then updating installing software such as Driver Easy or any other software that can be used to perform this function.

Step 3 –  Now you can finally, download the Windows 10 Anniversary Update ISO files.

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 This list of methods to solve the problem of Error 0x800705b4 can act as a comprehensive guide to solve this problem and covers almost all the methods that could assist you in successfully tackling Error 0x800705b4. Hence it will improve the performance of your PC. So in the future whenever you face this kind of problem there is nothing to worry about, hence you are now ready to tackle this problem with the above set of numerous methods that are easy to perform.