[FIXED] Microsoft Compatibility Telemetry High Disk Usage

This article is about Microsoft Compatibility Telemetry High Disk usage problem that is faced by many Windows 10, 8 and 7 users. We have got the exact working solution to disable Microsoft Compatibility Telemetry which will in-turn fix high disk usage problems.

The usual disk usage of a machine loaded with Windows 10 is about 10% and so is the CPU usage. In normal conditions, a CPU hits the high 90s when you are either playing games, editing or rendering. As for the disk, it can happen if your disk is almost full or while installing a heavy program, copying or doing something heavy.

It is totally normal to hit the high 90s for both the disk and CPU usage. But if it stays or varies in the range of 70-100 or maybe a little lower even after light usage is trouble. To check that, close all tabs and open Task manager. Now, wait and observe CPU/Disk usage. If it keeps going at 90-100% and for more than a minute, mean you are having high usage issue.

If you are having Microsoft Compatibility Telemetry high disk usage, or your CPU is hitting top 90s in normal conditions, then somethings not right. What causes these issues?  How are they related to Microsoft Compatibility Telemetry?

This article will deal with all of these questions and how to deal with them.

What is Microsoft Compatibility Telemetry?

Microsoft Compatibility Telemetry or Windows Telemetry is a built-in Windows program. This program gathers and sends data on the usage and performance of Windows to Microsoft. The data sent is used to analyze and improve the user experience.  But it is found that this service often causes high disk or CPU usage.

The Windows Telemetry runs as CompatTelRunner.exe which stands for Compatibility Telemetry runner or Microsoft Appraiser. The sole purpose of this service is to enhance user experience and check compatibility with Windows 10 updates. This service was also implemented to Windows 7/8/8.1 as Windows KB2977759 update.

The telemetry is a safe program but it also raises concerns about user privacy. Other than that, this program causes higher disk and CPU usage to make the problem worse. Fortunately, there are ways to disable this program and get rid of the issues it causes.

How to Fix Microsoft Compatibility Telemetry High Disk Usage

You can fix Microsoft Compatibility Telemetry high disk usage problem on Windows 10, 8 and 7 by disabling it. Here are few methods to fix this;

1. Using Task Scheduler

Task Scheduler is a tool which allows a predefined action to be automatically executed, once the conditions are met. Since Windows Telemetry sends data on a regular basis, it can be found in Task Scheduler.  The easiest way to Disable this service is by using Task Scheduler.  To do so,

  • First, open Run by pressing Windows + R, type” taskschd.msc ” and press Enter to open Task Scheduler.
  • Now go to, Task Scheduler Library -> Microsoft -> Windows -> Application Experience.
  • Find Microsoft Compatibility Appraiser, right-click and Disable.

This should fix the high disk/CPU usage caused by Windows Telemetry.

2. Fix High CPU usage Using Group Policy Editor

Group Policy Editor helps manage policy settings in the Microsoft Management Console. With group policy editor, Windows Telemetry can also be disabled.

  • Open Run and type” gpedit.msc “. Press Enter to open Group Policy Editor.
  • Now go to Computer Configuration-> Administrative Templates-> Windows Components -> Data Collection and Preview Build.
  • Find Allow Telemetry and double-click to open it. Select Disable, and then click on Apply -> OK.

3. Using Regedit

Another way to turn off Microsoft Compatibility Telemetry is by using the Registry Editor. The Registry Editor is a tool that stores low-level Windows settings. To do so,

  • Open Run by pressing Windows + R, type” regedit “. Press Enter to open Registry Editor.
  • Now go to, HKEY_LOCAL_MACHINE -> SOFTWARE -> Policies ->Microsoft -> Windows -> Data Collection.
  • Right-click on DataCollection and select New-> DWORD(32- bit value).
  • Rename the value as “Allow Telemetry ” and double-click to open it.
  • Assign new value data as 0(zero) and click OK.

4. By taking Ownership and Deleting CompatTelRunner.exe.

The best way to solve a problem is to kill its source. By giving full control to your account you can delete CompatTelRunner.exe file. But before that make sure you are using an administrator account. In case you only have one account, forget everything and follow the steps below.

  • First, search CompatTelRunner.exe in Windows search. Now right-click -> Open file location.

  • Again right-click-> Properties.

  • Now, go to Security -> Advance.

  • Open Owner and click change. Choose Advanced and Find Now.

  •  From given accounts to choose the account, you are using and press OK.
  • Click on Apply/OK and close all the tabs.
  • Again, open CompatTelRunner.exe -> Properties.
  • Go to Security-> Advanced and select a username. Now click on Edit.

  • In the Type section, Scroll down and choose Full control.
  • Click OK-> Apply and OK-> Yes. This will give you the ownership of the file.
  • Now right-click on CompatTelRunner.exe and Delete.

The Bottom Line

Heavy disk or CPU usage is not an issue until it stays like that even with no windows open. In such cases, you should immediately take action. There is no denying that it could be a hardware problem but it is often caused due to Telemetry. The Microsoft Compatibility Telemetry is designed to help Microsoft improve Windows user experience. But the compromise with user privacy and the issues caused by it really question the point of its implementation.

Well, Microsoft has given their statement on this topic but it doesn’t seem convincing to many users also the high usage bug made it worse for them. With that said, keeping Windows Telemetry, Disabling or totally removing is up to you. The above-provided solutions will help you get rid Microsoft Compatibility Telemetry high disk usage issue.

In case none of these methods helped with your High CPU usage problem, it could also be caused by bad sectors on your HDD. Get your hardware checked to find the issue.

Feel free to comment in case of any queries, Thanks for reading this article-Peace out!

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