How to Fix Microsoft Compatibility Telemetry High Disk Usage?

Microsoft Compatibility Telemetry, also referred to as Windows Telemetry, is a legit Windows service that collects and sends data periodically from your computer to the Windows development team for Windows’ performance improvement, compatibility improvement, bug repair, etc.

What kind of data it will collect and send depends on the Windows data telemetry levels: security, basic, enhanced, and full.

Security: Information needed to help secure Windows, Windows Server, and System Center, including data about connected user experience and telemetry component settings, malware removal tools, and Windows Defender.

Basic: Basic device information, including quality-related data, application compatibility, application usage data, and data in the “security” level.

Enhanced: Other insights, including how to use Windows, Windows Server, System Center, and applications; how they are performed; advanced reliability data, and data in the “Basic” and “Security” levels.

Full: All the data needed to identify and help to solve a problem, as well as data in the “security”, “basic” and “enhanced” levels.

Some times Microsoft Compatibility Telemetry takes High CPU usage and even it can take 99% of CPU usage. In this article, let’s check the steps to disable Microsoft compatibility telemetry.

Quick Snapshot

How to Disable Microsoft Compatibility Telemetry on Windows 10
How to Fix Microsoft Compatibility Telemetry Disk Usage

How to Disable Microsoft Compatibility Telemetry on Windows 10

Method 1. Disable Microsoft Compatibility Telemetry through Registry Editor

Step 1: Open Registry Editor.

Step 2: Navigate to HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows > CurrentVersion > Policies > DataCollection.

Step 3: Highlight DataCollection and double-click AllowTelemetry from the right page frame.

Step 4: Press Enter key input “0” into the Value data box. Then, click OK to save changes.

Tip: Value “0” stands for security level. Value “1” stands for basic level. Value “2” stands for enhanced level. Value “3” stands for full level.

Image – Disable Microsoft Compatibility Telemetry through Registry Editor

Method 2. Disable Microsoft Compatibility Telemetry through Group Policy Editor

Step 1: Open Group Policy Editor.

Step 2: Navigate to Computer Configuration > Administrative Templates > Windows Components > Data Collection and Preview Builds.

Step 3: Highlight Data Collection and Preview Builds and double-click Allow Telemetry in the right box.

Step 4: Choose Disabled and then click OK to save the change in the pop-up window.

Image – Disable Microsoft Compatibility Telemetry through Group Policy Editor

Method 3. Disable Microsoft Compatibility Telemetry through Task Scheduler

Step 1: Open Task Scheduler.

Step 2: Navigate to Task Scheduler Library > Microsoft > Windows > Application Experience.

Step 3: Highlight Application Experience and right-click Microsoft Compatibility Appraiser in the middlebox to disable it.

Image – Disable Microsoft Compatibility Telemetry through Task Scheduler

Method 4. Delete CompatTelRunner.exe

You can also get rid of CompatTelRunner.exe Microsoft Compatibility Telemetry just by directly deleting CompatTelRunner.exe, which is the executable file of Microsoft Telemetry. Please refer to the following steps:

Step 1: Open System32 folder.

Step 2: Find CompatTelRunner.exe and right-click it to choose Properties.

Step 3: Skip to Security tab and click Advanced button in the Properties window. Then, click Change button that follows Owner in Advanced Security Settings window.

Step 4: Click Advanced button in the new window. Then, click Find now and scroll down to select your account. Click OK to save changes.

Step 5: Click Apply button on the Advanced Security Settings window. Then, click OK when a note window pops up.

Step 6: Open the Properties interface gain and click Edit button to change permissions. Then, highlight Administrators and check Full control under Allow. Then, save changes.

Step 7: Right-click CompatTelRunner.exe to delete it.

How to Fix Microsoft Compatibility Telemetry Disk Usage

If you are facing Microsoft Compatibility Telemetry disk usage problem, you can also try the following methods.

Method 1. Close the Microsoft Compatibility Telemetry Process on Task Manager

If the Microsoft Compatibility Telemetry high disk problem and Microsoft Compatibility Telemetry High CPU problem don’t occur frequently, you can close the process on Task Manager to relieve these problems.

You can right-click the taskbar and select Task Manager to open it. Then right-click the Microsoft Compatibility Telemetry application under Processes tab and choose End task to close it.

Method 2. Run Antivirus

If you have tried the above methods and the problem still persists, you can run antivirus. You can use built-in Windows Defender or other antivirus software.

Method 3. Run SFC Command

The Microsoft Compatibility Telemetry high disk or Microsoft Compatibility Telemetry High CPU problem may be caused by corrupted system files related to Microsoft Compatibility Telemetry. Thus, you can run SFC command to replace it.

Step 1: Type “command prompt” in Windows search box.

Step 2: Right click the Command Prompt icon and select Run as administrator.

Step 3: Type “sfc /scannow” and press Enter key. Then, wait until the procedure ends.

Method 4. System Restore

If the Microsoft Compatibility Telemetry problem appears suddenly and you didn’t meet it before, you can try system restore to revert your computer to the good state.

If you want to know more about Microsoft Compatibility Telemetry, you can read here: How to Fix Microsoft Compatibility Telemetry High Disk Easily.