Users who have disabled web searching under Windows Search and have suffered CPU spikes as a result will have to wait at least until mid-September for a patch.


A “small number of users” have seen a spike in CPU consumption after installing the latest update to the Windows 10 May 2019 Update, or  KB4512941, Microsoft reported. Fortunately, the CPU spikes only occur under a limited set of conditions.


Actually, users may see two things that are out of the norm. Specifically, they “may not receive results when using Windows Desktop Search and may see high CPU usage from SearchUI.exe when searching after installing KB4512941,” Microsoft said. “This   issue is only encountered on devices in which searching the web from Windows Desktop Search has been disabled.”

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Source: Microsoft will patch Windows 10 CPU-spike bug, and says it's tied to disabling web search