What is taskhostex.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the taskhostex.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Taskhostex.exe file information

Windows Task Manager with taskhostex
Taskhostex.exe process in Windows Task Manager

The process known as Host Process for Windows Tasks or Processus hôte pour Tâches Windows belongs to software Microsoft Windows Operating System or Système d’exploitation Microsoft Windows by Microsoft (

Description: Taskhostex.exe is an important part of Windows, but often causes problems. Taskhostex.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 67,656 bytes (50% of all occurrences), 53,760 bytes or 66,632 bytes. 
The taskhostex.exe file is a Microsoft signed file. The program has no visible window. Therefore the technical security rating is 16% dangerous.

Uninstalling this variant: If you encounter difficulties with taskhostex.exe, you might want to visit the website or completely remove Microsoft Windows (Control Panel ⇒ Uninstall a Program).

Recommended: Identify taskhostex.exe related errors

Important: Some malware camouflages itself as taskhostex.exe. Therefore, you should check the taskhostex.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Wenn Datei in C:\User\XX\AppData/Roaming dann Virus! Wenn Datei in C:\Windows\System32 dann ok.
If file in C:\User\XX\AppData/Roaming then Virus! If file in C:\Windows\System32 then ok.

Summary: Average user rating of taskhostex.exe: based on 2 votes with 2 user comments. 2 users think taskhostex.exe is dangerous and recommend removing it.

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Best practices for resolving taskhostex issues

A clean and tidy computer is the key requirement for avoiding problems with taskhostex. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the taskhostex.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

taskhostex.exe [all]