Microsoft's latest Windows 10 update is causing CPU overload on startup, and Cortana could be the culprit. As reported in Windows Latest, the updated version of Cortana causes CPU jumps of 30-40% and occupies system memory. On the Microsoft Feedback Hub, a user reported that Cortana was constantly using around 200MB of memory. Another noted that it was "running at more than 35% CPU usage and 150MB of memory as reported by Task Manager for at least a day."
As usual, the update was tested before release by Windows Insiders in the preview release ring and the issue with Cortana was reported. But "the reports appear to have been ignored because they were 'not voted on enough'," according to Windows Latest.
What are the reasons behind Cortana's excessive CPU, memory, and network usage?
One of the big issues with the latest Windows 10 update is the significant increase in CPU usage by SearchUI.exe, which is part of Microsoft Cortana, a service that most people don't use anyway.
Most people call this latest problem “Cortana high CPU usage” when it is actually the SearchUI.exe process that is causing it. And we are here to help you fix it and reduce CPU usage so you can keep using your laptop or computer at optimal speed.
The problem mentioned above is what everyone dreads about new Windows updates: they always seem to come with unexpected problems, as was the case with the relatively recent SysMain problems. This time it's Cortana and/or SearchUI.exe, it's training on your CPU, and we're here to tell you how to fix it!
Fix Cortana high CPU usage issue
reboot
In the first step, save your work and restart your computer. "Cycle power" is classic troubleshooting advice, and for good reason. It can solve the problem, especially if your last reboot was a long time ago �\x93 rebooting can delete temporary files and maybe fix the slowdown of long-running processes.
Interrupt or resume processes
Open Task Manager (CTRL+MINUTER+ESCAPE). If a program restarts with an increased CPU load even after restarting, Task Manager offers one of the easiest ways to keep track of this.
Note that full-screen programs like games sometimes distract your attention from the task manager (they hide it in their own window). To avoid this, click "Options" in the top menu bar and select "Always on Top". If you have a second monitor, you can also just drag the Task Manager window to that spot.
In Task Manager, click the Process tab at the top. Click the Details button at the bottom of this tab to view the Windows background processes. Locate the CPU column at the top of the Processes tab and click on it to sort by CPU usage.
You can expect high CPU usage when playing games, using video editing or streaming apps, running virus scans, or juggling many browser tabs.
If you encounter this daily high CPU usage situation, you should close all background programs and tabs that you are not using and then return to Task Manager to see if the situation has changed.
It's important to remember that high CPU usage can be normal when multitasking.
Modern processors handle multitasking by splitting processes between multiple processor cores running different sets of instructions at the same time. Intel® Hyper-Threading Technology (Intel® HT) goes one step further and creates multiple execution "threads" in each core, each handling different processes. When a busy program like Adobe Premiere puts a heavy load on the processor, it can only use the available processor cores efficiently.
Intel® Turbo Boost Technology can also help keep up with heavy workloads by dynamically increasing processor frequency. The Intel® Core�\xBD?X series processor family has another tool to prevent slowdowns, as Intel® Turbo Boost Max 3.0 Technology automatically allocates the fastest processor cores to the most important tasks and boosts processor speeds.
These processor technologies can drastically increase the speed of multitasking and running resource-intensive programs, but you may still encounter abnormal CPU usage situations. If you see a background process with a name like Runtime Broker, Windows Session Manager, or Cortana at the top of the CPU column when you reach 100% CPU usage, you have a problem.
These Windows processes are designed to use very little CPU or memory under normal circumstances - they often show up at 0% or 1% in Task Manager. When your PC is idle, all these processes usually consume less than 10% of CPU power, but chaotic or unexpected behavior - for example.
when a Windows process repeatedly tries to perform a search action that has been disabled elsewhere - sometimes this causes the process to consume almost all of your system resources.
After opening Task Manager and finding a process that is unexpectedly taking up most of your CPU, search online to identify it. You should not stop a process like explorer.exe (which controls many graphical elements like the desktop and start menu) or winlogon.exe (boot tasks and CTRL+ALT+DEL screen) unless you have a good reason to do so.
Once you've identified the process as non-critical (and again made sure you've saved the data you were working on), click on the process to select it, then click End Process at the bottom right corner of the task manager. The end process causes the program to exit without saving.
update drivers
If the process is still consuming too much CPU, try updating the drivers. Drivers are programs that control specific devices connected to your motherboard. Updating the drivers can fix compatibility issues or bugs that cause an increased load on the processor. Open the Start menu, then Settings. Click Updates & Security, and then click Check for Updates. This will update the most important factors. Graphics card manufacturers also offer utilities (like NVIDIA GeForce Experience for GPUs) that can improve overall game performance.
Some rare errors can also be fixed by updating the BIOS. The BIOS (Basic Input Output System) is the firmware on your motherboard that instructs the other components of your computer to boot.
Since a BIOS update usually doesn't improve performance (and can introduce new problems), you should only do it if you find a bug that was causing high CPU usage and find a BIOS update that fixes it directly .
Scan for Malware
If the problem persists, it may be caused by malware masquerading as a normal Windows process. Some malware consumes CPU and GPU bandwidth for various purposes (e.g. extracting cryptocurrency data) while showing up in Task Manager with a well-known name like "Cortana.exe" or "Runtime Broker".
Run a full scan with an antivirus program of your choice. A good option is the free standalone Windows security scan (which runs in the taskbar or in Windows settings).
power options.
Some power settings can reduce processor speed, whether you're using a laptop or desktop computer. Check your power settings by clicking on the start menu and typing "change power plan". Once the window opens, click on "Energy". Options" in the address bar at the top of the window. Click "Show additional plans" and then enable the power plan. Open Task Manager again to see if the CPU usage is back to normal.
Look online for specific instructions
Many different processes can cause high CPU usage, and there is no one-size-fits-all solution. To find a specific tip, look up the process name in the Process or Details tab (a more specific view) in Task Manager and search online for thread support on the subject.
If you don't see any results from the first query, add specific information that might help, such as: B. Your CPU model (listed next to "Processor" in your system information) and the names of other programs that seem to be causing the problem. It's rare to find a bug that hasn't already been discussed on the hardware and gaming forums, so take the time to try some variations on your search.
Install windows
If you have a restore point before the CPU issues started, try using it. But since Windows disables system protection by default, most of us don't have it. In this case, your last resort might be to reinstall Windows. This process can be tedious, but it can potentially solve CPU usage problems caused by the software.
Windows 10 PC Reset feature removes all your programs but leaves your personal files alone. You will then have to reinstall any non-Windows programs you use, and your settings in those programs will be lost unless you save and back up them. Also, as a precaution, back up all your personal files either to an external drive or via cloud storage services.
When you're ready to start, click "Start" and type "Reset this PC." Then click "Start". The process can take an hour or more. After that, you need to reinstall the programs you are using.
frequently asked Questions
How do I stop Cortana from using my CPU?
- Use Ctrl+Shift+Escape to bring up Task Manager (or right-click the Start button and select Task Manager from the list).
- Click on Cortana to view the active processes.
- Right-click Cortana and select "Go to Details" to see what's going on.
- Click the Processes tab again and look for Cortana.
Why is Cortana using so much memory?
"Cortana (or SearchUI.exe) shouldn't be consuming a lot of resources when you explore it in Task Manager. You may be wondering why Cortana is consuming resources. This is because it loads into memory so it shows up right away can if you click on the "Windows search" box in the taskbar or press Windows+S.
How do I fix high CPU and RAM usage?
- reboot. First step: save your work and restart your computer.
- Stop or restart processes. Open Task Manager (CTRL+SHIFT+ESCAPE).
- Update drivers.
- Scan for Malware.
- power options.
- Search the internet for specific instructions.
- Reinstall Windows.
Is it safe to disable Cortana?
Cortana is compatible with Windows 10 and Windows Search. So you lose some Windows features when you disable Cortana: personalized messages, reminders, and natural language search in your files. However, the standard file search still works.
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