We last reported about Windows 10 1903 update KB4512941 breaking PCs, causing high CPU loads & other issues. Now, Microsoft has acknowledged the issue and has updated Windows 10 update KB4512941 page to include it as a known issue.
Microsoft is getting reports that a small number of users may not receive results when using Windows Desktop Search and may see high CPU usage from SearchUI.exe. This issue only occurs on devices that have disabled searching the web using Windows Desktop Search.
Microsoft has also revealed the root cause behind this issue and claims that this issue occurs on devices that have disabled searching the web using Windows Desktop Search. It has also promised to release the solution in the coming days.
We are working on a resolution and estimate a solution will be available in mid-September.