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Diagnostic Policy Service High CPU: 3 Methods to Reduce it
Try 3 expert-tested solutions to fix your PC
3 min. read
Updated onMarch 28, 2024
updated onMarch 28, 2024
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Key notes
There are some background services in Windows to enhance your experience and minimize errors. But, several users have reported that the Diagnostic Policy Service showshigh CPU usage.
This will, in turn, affect the system’s performance and slow it down, which is not desirable. If you have been facing this issue, read ahead to learn more about it and its relevant fixes.
Why is Diagnostic Policy Service causing high CPU usage?
Here are the possible reasons for the Diagnostic Policy Service’s high CPU usage:
Let’s now head to the methods to solve the high CPU usage by Diagnostic Policy Service.
How can I fix Diagnostic Policy Service’s high CPU usage?
1. End the Diagnostic Policy Service
After terminating the Diagnostic Policy Service, do not hesitate to check if the high CPU usage problem is resolved.
2. Update Windows 11
If that does not help, we recommend trying aspecialized repair app, which will scan your PC and fix any errors related to corrupted system files.
3. Run SFC and DISM scans in Command Prompt
1. PressWindows+Sto launch theSearchmenu.
2.EnterWindows Terminalin the text field at the top, right-click on the relevant search result, and selectRun as administratorfrom the context menu.
- ClickYeson theUAC (User Account Control)prompt that pops up.
4.Next, click on the downward arrow at the top, and selectCommand Promptfrom the list of options. Alternatively, you can pressCtrl+Shift+2to launch theCommand Prompttab.
5.Type/paste the following command and hitEnterto execute it:sfc /scannow
6.Once the SFC scan is complete, type/paste the following command and hitEnterto run theDISMtool:DISM /Online /Cleanup-Image /RestoreHealth
- Wait for the DISM tool to run and then restart the computer.
You can solve the Diagnostic Policy Service high CPU problem by running the SFC and DISM commands in Command Prompt. TheSFC (System File Checker) scanidentifies the corrupt system files, and if any are found, replaces them with their cached copy stored on the system.
On the other hand, theDISM (Deployment Image Servicing and Management)tool is used to fix issues with Windows Image or modify the installation media, if required.
These are all ways to reduce the high CPU usage due to Diagnostic Policy Services. Execute the fixes in the sequence listed, and your computer should be running smoothly in no time.
Several users have also reportedhigh CPU usage due to Explorer.exe, so learn how to fix the problem. Again, the guide is for the previous OS, but remember that it is equally effective on Windows 11.
Please tell us which fix worked for you and what problems you faced due to high CPU usage in the comments section below.
More about the topics:High CPU usage,Windows 11
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.
