Fix taskhostw.exe system error Windows 10 [Steps]

What is ‘taskhostw.exe system error’ in Windows 10?

In this post, we are going to discuss on How to fix taskhostw.exe system error Windows 10. You will be guided with easy steps/methods to resolve the issue. Let’s starts the discussion.

‘taskhostw.exe’: taskhostw.exe is executable file and generic host process for Windows tasks. This program/process is known as Host Protocol. taskhostw.exe is responsible for running all .DLL (Dynamic Link Library) files on your Windows 10/8/7 computer. The origin path of this executable is C:\Windows\System32 folder in your Windows computer. You can see this process in Task Manager as Taskhost Process.

However, several Windows users reported they faced ‘taskhostw.exe system error Windows 10’, ‘taskhostw.exe system error’ or ‘taskhostw.exe high CPU Usage’ issue on their Windows 10/8/7 computer when they tried to launch certain functions, finding files, processes, running programs. This issue indicates you are unable to launch certain functions/files or applications in your Windows computer. This issue indicates you are experience taskhostw.exe file is using high CPU/RAM resources and causes overall system performance very slow.

When you open Task Manager in your Windows 10 computer in order to check which program/process is actually causing HIGH CPU/RAM usage, you may notice taskhostw.exe or taskhost process is draining your CPU/RAM power and uses a lot of resources of your computer that causes system performance slowdown issue. There could be several reasons behind the issue including malware or viruses attacks in computer, corruption in system files or registry, corruption in hard disk system image, and other system issues. Let’s go for the solution.

How to fix taskhostw.exe system error Windows 10?

Method 1: Fix ‘taskhostw.exe system error’ with ‘PC Repair Tool’

‘PC Repair Tool’ is easy & quick way to find and fix BSOD errors, DLL errors, EXE errors, problems with programs/applications, malware or viruses issues, system files or registry issues, and other system issues with just few clicks.

Method 2: Run SFC scan and DISM scan

You can run SFC scan and DISM scan in order to repair corruption in system files and hard disk system image in order to fix this error.

Step 1: Type ‘cmd’ in ‘Windows Search Box’ and press ‘SHIFT + ENTER’ keys on keyboard to open ‘Command Prompt as Administrator’

Step 2: Type the following commands one-by-one and hit ‘Enter’ keys after each to execute

sfc /scannow

Dism /Online /Cleanup-Image /CheckHealth

Dism /Online /Cleanup-Image /ScanHealth

Dism /Online /Cleanup-Image /RestoreHealth

Step 3: Once executed, restart your computer and check if the issue is resolved.

Method 3: Uninstall and then reinstall recently installed program

If this error is start occurring after recent programs installation, you can uninstall and then reinstall the program in order to fix the issue with program and this error as well.

Step 1: Open ‘Control Panel’ in Windows PC via Windows Search Box and go to ‘Uninstall a Program > Programs & Features’

Step 2: Right-click on recently installed program, and select ‘Uninstall’ and once uninstalled, restart your computer

Step 3: After restart, download and reinstall the program in your computer and check if the error is resolved.

Method 4: Perform Clean Boot

If the issue is still persist, then you can try to fix the issue by performing Clean Boot operation. This will start your computer with minimum drivers/services or third-party programs.

Step 1: Open ‘System Configuration’ window via Windows Search Box

Step 2: Click ‘Services’ tab, tick ‘Hide all Microsoft Services’ checkbox and hit ‘Disable All’ button

Step 3: Now, click ‘Startup’ tab, click ‘Open Task Manager’. In Task Manager, right-click on each startyp item and select ‘Disable’ to disable them and then close Task Manager

Step 4: Finally, click ‘Apply’ and ‘Ok’ button to open save the changes and restart your computer, and check if the error is resolved.

Method 5: Reset Windows Reliability monitor

One possible way to fix the issue is to reset Windows reliability monitor.

Step 1: Open ‘Control Panel’ in Windows PC and go to ‘System and Security > Security and Maintenance > View reliability history’

Step 2: Find ‘View all problems reports’ at bottom and choose ‘Clear all problem reports’ and confirm it to clear problems report. Once done, please check if the error is resolved.

Method 6: Perform System Restore

If the error is still persist, then you can try to fix the issue by performing system restore operation in computer.

Step 1: Press ‘Windows + R’ keys on keyboard, type ‘rstrui’ in ‘Run’ window and hit ‘OK’ button to open ‘System Restore’

Step 2: In the opened window, click ‘Next’, select a restore point according to date & time when there was no issue at all, and click ‘Next > Finish’ to start restoring process. Once finished, restart your computer and check if it works for you.


I am sure this post helped you on How to fix taskhostw.exe system error Windows 10 with several easy steps/methods. You can read & follow our instructions to do so. That’s all. For any suggestions or queries, please write on comment box below.