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Here’s how to permanently fix Taskhost.exe high CPU usage


Taskhost.exe is a process that hosts various Windows processes running from a dynamic link library instead of the conventional .exes (executable files). You see, libraries (.dlls) are only capable of running through .exe files and they have to rely on the Taskhost to support their execution.

Because Taskhost.exe can take any format that a dynamic link library file demands, it ends up loading multiple instances, each catering for certain DLL-based services. This is how Taskhost ends up monopolizing lots of system resources which in turn causes high CPU usage.

Fortunately, there are a couple of solutions that can eliminate this frustrating error as you will see shortly.

Is Taskhost.exe a virus?

Taskhost.exe file is definitely not a malware. It’s indeed a Windows system process, going by the name as host process for Windows tasks. However, cunning developers of worms, viruses, and trojans sometimes name various malware processes Taskhost.exe to trick unsuspecting users.

Now let’s go directly into how to fix the Taskhost.exe high CPU problem.


How can I fix Taskhost.exe high CPU issues?

  1. Scan Your PC for Malware
  2. Reset Reliability Monitor Windows 10
  3. Check for Corruption in System Files
  4. Restore your PC
  5. Fix corrupted DLL files

1. Scan Your PC for Malware

bitdefender Taskhost.exe High CPU


Since hackers may hijack the file and use it to corrupt and open countless other processes and put extra strain on your CPU, start with a virus check. This will remove any traces of stressful infections on your computer and free up the CPU. Use a reliable antivirus and make sure its database is updated before starting.

If you’re looking for a reliable antivirus that can keep your PC safe, we suggest that you try out Bitdefender.


2. Reset Reliability Monitor Windows 10

Though not exactly popular, the reliability monitor feature has been part of the Windows operating for some time now. It keeps an eye on the system’s functionality and stability and will report on any critical occurrences that are affecting your PC.

Ironically, despite playing a crucial role in system maintenance, it can be the source of troubles on your PC, such as high CPU usage. To fix the problem, do the following:

  1. Open the Control Panel.
  2. Click System and Security.Taskhost.exe problems system and security
  3. Now select Security and Maintenance.security and maintenance Taskhost.exe High CPU
  4. Select the View reliability history hyperlink under the Maintenance tab.task host problems view reliability history
  5. The Windows reliability Monitor Window opens. Scroll and find the view all problem reports (near the bottom).taskhost exe high cpu usage reliability monitor
  6. Select Clear all problem reports in the next window.Taskhost.exe High CPU clear all problem reports
  7. Then click Clear all when prompted by the next dialog box.

Hopefully your CPU usage will return to normal after performing these steps.


3. Check for Corruption in System Files

Problematic system files might also contribute to the Taskhost.exe high CPU error. You can check the status of these files and use the right tools to repair/replace those affected. The first utility for this purpose is the powerful Deployment Image Service & Management Tool (DISM).

Here is how to use DISM:

  1. Locate the search box on your taskbar and type powershell.
  2. Right-click on Windows PowerShell and choose Run as administrator then Yes.
    run as administrator Taskhost.exe
  3. Now type dism.exe /Online /Cleanup-image /Restorehealth (notice the spaces between dism.exe and / and each switch (/)).taskhost exe powershell
  4. DISM will try to find and replace any corrupted files. Wait for the process to finish and then restart your PC.

If the performance hasn’t improved, run the second tool – System File Checker (SFC). It will again search for corrupted files and replace the corrupted files.

  1. Repeat Steps 1 and 2 from above.
  2. Type sfc /scannow and press Enter to run it.taskhost exe sfc scannow
  3. SFC will run and replace the affected files.
  4. Restart your PC

4. Restore your PC

If the Taskhost.exe high CPU issue arose after making some changes to your PC, for example, installing a new App or a driver/Windows update, it could be that your modification is what brought issues. To fix it, try to restore your PC.

  1. Locate the search box on your Taskbar and type restore point.
  2. From the displayed results, click Create a restore point.create a restore point Taskhost.exe High CPU
  3. Go to the System Protection option and select System Restore.system restore Taskhost.exe issues
  4. Select Next and select the restore point associated that you wish to revert to.taskhost.exe high cpu restore points
  5. Click Next then Finish.confirm your restore point Taskhost.exe High CPU
  6. Let the system run the restore. It will restart after it’s done.

See if your CPU is now running normally.


5. Fix corrupted DLL files

In most cases, the challenge arises due to some .DLL files getting corrupted making it impossible for the Taskhost.exe to open them on demand. To fix your system, locate all the error-ridden DLL files and either replace or erase them. So, how do you identify the culprits?

Use the Windows Resource Monitor

Well, you can view an in-depth performance data from the Windows resource monitor tool either from the system logs or in real time.

It displays details about the utilization of hardware (CPU, disk, memory, and network) and software, as well as hardware usage in real time.
You can use it to identify the programs/processes slowing down your PC and stop them.

  1. Press Ctrl+Alt+Del.
  2. Click Task Manager.
  3. Click on the Performance.performance Taskhost.exe High CPU
  4. Look at the graphs under the CPU (the computer’s processor).
  5. To track down apps/systems triggering the CPU strain, click on the Details.
    details tab Taskhost.exe High CPU
  6. Now click on the CPU. This sorts the results in that column in descending order.
  7. Then look for the process(es) that repeatedly shows high usage (ignore the system idle process).
  8. Right-click on each of these processes as necessary and choose End task.end task Taskhost.exe High CPU

Should you delete Taskhost.exe?

The utility is an integral component of Windows thus we wouldn’t encourage you to remove it. However, we hope that you managed to fix the problem with Taskhost.exe and high CPU usage with one of our solutions.

ADDITIONAL GUIDES SELECTED JUST FOR YOU:



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Written by sortiwa

mosesmasoud@gmail.com