Microsoft investigates high CPU bug in Cortana – Applications and Software

O Windows 10 received an update last week that is causing problems on some PCs: the SearchUI.exe component of Cortana high processor usage for no apparent reason. THE Microsoft is investigating this bug, which arose after users installed cumulative update KB4512941.

Cortana on Windows 10

“We are investigating an issue where users report high CPU usage linked to SeachUI.EXE after installing the optional August 30 update (KB4512941),” says the official Windows Update account. on twitter. “We will have an update in an upcoming version.”

How does the Bleeping Computer, Cortana crashes when the user disables the ability to send local searches to Bing, either through the Registry or via group policy. With this feature disabled, the wizard uses a lot of CPU, and Windows Search shows empty results.

O Windows Central believes that since KB4512941 is optional, Microsoft is likely to fix Cortana’s bug on September 10. This is Patch Tuesday: the company releases patches for Windows 10 every second Tuesday of the month.

Windows 10

Image via Reddit

How to solve high CPU consumption in Windows 10

If you are having problems, there are two alternatives. The first is to remove the KB4512941 update from Windows 10. This should not be a problem: Microsoft note that this not it is a security patch and brings only “quality improvements”.

To uninstall the update, follow the path Settings> Update and Security> Windows Update> View update history and click Uninstall updates.

In the window that appears, select the item Upgrade to Microsoft Windows (KB4512941) and click Uninstall on top.

Windows 10

If you don’t want to remove the update, some users report that a change in the registry can help. As this is a more risky procedure, we recommend backing up your PC.

Open the menu Start, type it regedit and press Enter to open the Registry Editor. In the upper field, insert the following text:

HKEY_CURRENT_USER Software Microsoft Windows CurrentVersion Search

Search for the item BingSearchEnabled and change the value to 0. click in OK and restart your computer.

Windows 10

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