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Microsoft Compatibility Telemetry’s High Disk Usage: How to Reduce it
Renaming the CompatTelRunner.exe file is the easiest fix
5 min. read
Published onAugust 12, 2024
published onAugust 12, 2024
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Resolve multiple Windows PC issues and speed up your PC effortlessly with specialized software.
Microsoft Compatibility Telemetryoften turns out to be the most resource-intensive process in Windows, with high disk usage and causing the CPU fans to run at full speed. This is a common problem affecting all iterations of the OS, including Windows 10 and Windows 11!
For the unversed,Microsoft Compatibility Telemetryis a built-in process in Windows that regularly collects data and shares it with Microsoft to improve the OS experience. It is auto-enabled when you go with the default Windows installation but only becomes a problem when you notice high resource consumption.
If you want to fix high disk usage byMicrosoft Compatibility Telemetry, start by installing all pending Windows updates and scanning the PC for malware. Often, threat actors disguise malware as a critical Windows process, and subsequently, a full system scan helps!
How do I fix Microsoft Compatibility Telemetry’s high disk usage?
1. Rename the CompatTelRunner.exe file
When you rename theCompatTelRunner.exefile responsible for runningMicrosoft Compatibility Telemetry, thehigh disk usage issueswill never reappear, and the task won’t run automatically. But since the file is present in Windows by default, many experts warn against changes unless you face serious issues!
However, renaming the file helps when you findMicrosoft Compatibility Telemetrydisabled but still running.
Also, some suggest deletingCompatTelRunner.exe, but if you are actually considering that, rename it instead. This way, you can always revert its name in case a conflict arises in the future. If you don’t want to make these changes right away, try our other solutions.
2. Disable the Microsoft Compatibility Appraiser task
After you disable theMicrosoft Compatibility Appraisertask, the high disk or CPU usage byMicrosoft Compatibility Telemetrywill end immediately. But upon subsequent reboots or after installing Windows updates, the task may run again, in which case you can try the solutions listed next!
2. Set the process to low-priority
If you simply want to lower the high disk usage byMicrosoft Compatibility Telemetry, setting its priority to low and affinity to a single CPU will bring down disk usage by15-30%.
4. Repair the corrupt system files
5. Permanently disable Microsoft Compatibility Telemetry via Registry
Of all thepermanent ways to disable Windows 11 Telemetry, theRegistry Editorremains the most used because, surprisingly, it’s the simplest. Once you are done,75-100%disk usage byMicrosoft Compatibility Telemetrywon’t happen anymore.
Before you leave, discover experttips to speed up a Windows PC!
Which fix worked for you? Share with our readers in the comments section.
More about the topics:microsoft,Windows 10 Telemetry
Kazim Ali Alvi
Windows Hardware Expert
Kazim has always been fond of technology, be it scrolling through the settings on his iPhone, Android device, or Windows PC. He’s specialized in hardware devices, always ready to remove a screw or two to find out the real cause of a problem.
Long-time Windows user, Kazim is ready to provide a solution for your every software & hardware error on Windows 11, Windows 10 and any previous iteration. He’s also one of our experts in Networking & Security.
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Kazim Ali Alvi
Windows Hardware Expert
Kazim is specialized in hardware devices, always ready to remove a screw or two to find out the real cause of a problem.
