What is mstask.exe? Is mstask.exe spyware or a virus?

How to fix mstask.exe related problems?
1. Run Security Task Manager to check your mstask process
2. Run Windows Repair Tool to repair mstask.exe related Windows Errors
3. Run MalwareBytes to remove persistent malware

Process name: Task Scheduler Engine

Product: Windows 98/ME/2000

Company: Microsoft

File: mstask.exe

Security Rating:


This is the task scheduler service, responsible for running tasks at a time predetermined by the user. You can use it to start services at particular times, such as running a backup overnight. This file is not essential for Windows XP. If the file exists in Windows XP, you should ensure that it is from Microsoft. This service doesn't exists in Windows Vista or Windows 7! In this case "mstask.exe" could be a virus or trojan. http://www.neuber.com/taskmanager/process/mstask.exe.html 

Note: The mstask.exe file is located in the folder C:\Windows\System32. In other cases, mstask.exe is a virus, spyware, trojan or worm! Check this with Security Task Manager.

Virus with same file name:
W32.Myparty (msstask.exe) - Symantec Corporation
W32/Opaserv-H (mstask.exe) - Sophos


Click to Run a Free Scan for mstask.exe related errors


Users Opinions

Average user rating of mstask.exe: based on 50 votes. Read also the 38 reviews.

  • 471 users ask for this file. 12 users rated it as not dangerous. 6 users rated it as not so dangerous. 6 users rated it as neutral. 8 users rated it as little bit dangerous. 18 users rated it as dangerous. 4 users didn't rate it ("don't know").

All comments about mstask.exe:
Windows Task Scheduler Alex
Task sheduler for windows - annoying with zonelabs Ben
Part of the Windows® Operating System. This is the Windows Task Sacheduler, it runs certain programs and processes at times that you can specify. Can be somewhat of a problem, don't use it unless you have to. Nathan
makes my cpu run 100% all the time
It helps the processor and RAM to run sytem settings such as IE  See also: Link Fabian rodriguez
I had a copy in winnt folder, it's just 15KB, at's supposed to be more than 100KB and tries to connect to Internet. Definetly a virus.
ZoneAlarm says MSTask.exe wants access to the internet on ipaddr 0.0.0.0 why does mstask.exe want access to internet? Daniel Brockman
it is needed, but slows down the computer
Not to be run all of the time. I did not install. Only run the EXE provided in the zip file. Louis
Can be loaded as Adware.StartPage spyware/virus. Difficult to remove, Adware missed it, and Symantec detected but could not delete it. GET RID OF IT ASAP. Keith
constantly tries to RPC´s to strange IP-Adresses , I block these with sygate PF, file seems to be i.o. David
it keep my computer runing at perfect condition al the time omar
Windows's Task Scheduler service. Can be disabled to free resources, but scheduled tasks will not run and new tasks may not be definable. Alex W
MSTask.exe - runs scheduled MS Tasks (Does exactly what it says on the tin) Only dangerous if your task that you schedule is spyware. Don't use it myself cos I like to live on the dangerous side of life! Sarky Marky
although the original mstask.exe is harmless this has been hijacked and my versoin is in the \winnt\system32\dllcache with a size of 122K - it attempts to go out to the net, and my suspecions were hightighted when my personal firewall said the original task had been replaced with this one. Joe
I control the actions/ This shouldnt be doing anything!!
taskplaner
mstask.exe i had to delete from registry. but it can be disbled in system configuration utility under startup program. It was shutting my computer down as soon as windows started. virus related i think. added link to troubleshoot  See also: Link trevor
It monopolizes CPU time and makes Windows terribly slow. If you didn't schedule anything to be run on a specific time and it's running, it must be a virus. Kill mstask.exe, Window will be back to normal speed. Choong-il
It was the only thing that asked to run when I started up my browser. Given what is said here, I denied it access. Karen
It starts at... "Start Up." I use Glarysoft's StartUp program to disable it. Now my comp starts up quicker. Columbo
It is Schelud Tasks application file of Windows. If you have no scheduled work. It shouldn't work  See also: Link Omer KARAKAS
If I want to schedule something I'll turn the damn thing on. Why does it need a port anyways? Kempis Curious
This program, as all Microsoft programs, give me a stiffy and I love to run it lots and lots Your Momma
get rid of it tg
true sword anti-spyware identified a duplicate of this file and alerted me that the duplicate was spyware. daviduk
Helps scedule applications Josh
unless it is in the system32 folder then its a virus jeremy wf,tx
task scheduler, had no use for it and it was listening for connection.. disabled it from control panel to be sure. /html
keeps runniing a task every 10 minutes and saves a log Jerry
Taskplaner MR
making the computer run 100, slows everything down. IE barely runs, AV and firewall, along with ASUS dont respond need a way to kill it, cant even search for it, took me five minutes to get to this site David
its ms task scheduler. if you go into scheduled tasks and see no tasks scheduled, go ahead and disable the service james BONDS
i went to the Symantec website and saw the following instructions: ".....Scroll through the list, and look for the following process: msstask.exe. CAUTION: This is not the same as Mstask.exe--note the single "s". Mstask.exe is a legitimate Microsoft process. Do not end that task." sweetrosette
runs every time I log on frank y
Run services.msc and disable the Task Scheduler if you want it to go away. illuzion30
Mine gets up to 300 at a time, I go into processes and my ram usage is at 67% and it's normally at around 38%, I usually have to go and delete them, takes about 20 minutes manually stop the processes. Probably virus related, I recommend fnding the source and deleting it because it hogs your system's recources. I can't disable it either, so I'm looking for a way to get rid of it. David G
task scheduler crashes on my system due to bitdefender toolbar Patrick

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More process information

Is mstask.exe spyware or a virus, trojans, adware or worm? Is there a known mstask.exe error?


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