As always, new bugs come with a new Windows update. Recently, Microsoft released a cumulative update called KB4512941 on August 30 that caused massive CPU spikes with abnormally high usage. Many Windows users are facing this issue especially after installing the KB4512941 update. So, if you are one of the affected users and looking for a solution, you have come to the right place. Here we have provided two simple ways to fix high CPU usage after Windows 10 KB4512941 update. Both methods are easy and straightforward, so don’t worry there. Now, without further ado, let’s move on to the steps.
Fix High CPU Usage After KB4512941 Update
Before we fix the problem, let’s understand what causes the CPU to spike abnormally. With the KB4512941 update, Windows integrated Cortana with SearchUI.exe system-wide. As a result, Cortana keeps running in the background, consuming a lot of system resources and causing the CPU to spike. Now that we’ve looked into the cause, let’s fix the problem. There are two easy ways to solve high CPU Usage in latest Windows 10. We can either completely remove the KB4512941 update or replace the Cortana search with Bing Search. We’ll go through the first method first, and then move on to the second method. Now having said that, here’s how to do it.
Note: With toother method, yYou will not lose any data, so there is nothing to worry about.
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Uninstall KB4512941 Update
one. Open Windows Settings or press Windows + I shortcut to open it. After that, open Update & Security.
2. Here, click on “View Update History”.
3. Now, click on “Uninstall Updates” at the top.
4. Here, Find update KB4512941. Right-click on it and select “Uninstall”.
5. It will ask for your confirmation. Click “Yes”.
6. Now restart your PC and your computer will be back to stable build 18362.295. Following this, you will not encounter high CPU usage on Windows 10.
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Disable Cortana Search
Here we will use the Windows Registry to disable Cortana Search and replace it with Bing Search. The good thing is that you will still be on the latest windows 10 build, but without any performance issues. Here are the simple steps to follow.
1. Press the Windows key once and Type regedit. It will appear at the top. open it.
2. Now navigate to this path manually or You can paste the registration address in the address bar to quickly open said menu.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Search
3. Here, Search for keyword “BingSearchEnabled”. Usually it should be at the top. Double click on it and change “Value Data” to 1 and click “OK” button.
4. After doing this, Close the Registry and restart your computer. Voila, now Bing Search should be back and you shouldn’t encounter any unusual CPU spikes.
SEE ALSO: How to Speed Up Windows 10 in 2019 [Effective Methods]
Solve High CPU Usage in Windows 10 with Simple Steps
This was our quick guide on how to fix high CPU usage after installing KB4512941 update on Windows 10. As I mentioned before, the problem is simple and so is the solution. I have mentioned two easy ways to deal with the problem so that you can choose accordingly. After modifying the registry, you can either completely remove the update or stay on the latest build. Anyway, it’s all by us. If you’re running into other issues with Windows 10, comment below and let us know. We will be happy to take a look.
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