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What is it?
MS Task scheduler - mstask.exe

What does it do?
mstask.exe - Gives you the ability to schedule tasks to be run at certain on certain days and times. I use it to automate as many tasks as I possibly can.

Virus Precaution:
When googling I was able to find

W32/Opaserv -H

The mstask.exe which is from Microsoft is located at c:windowsSystem32mstask.exe . If you find it anywhere else then you should be suspicious for sure.

Fix mstask.exe Errors: Free Scan

Recommended: Free PC Speed Test - what is slowing down your PC?

mstask.exe is a Windows System File and should be in a system directory. If it is then this application is safe.

Startup DB Entries:
[Mstask]"Added by the OPASERV.N WORM! Note - this is not the legitimate mstask.exe system file and the executable resides in %Windir%" b
[Planlægningsagent]"Windows Task Scheduler (on Danish language versions of Windows) - displayed as a box with a stopwatch in the System Tray. Required if you have regularly scheduled tasks like defragmentingu
[SchedulingAgent]"MS Scheduling Agent in Win98/Me/2K - displayed as a box with a stopwatch in the System Tray that is only needed if you have regular scheduled disk defragmentingu

Service DB Entries:
Programador de tareas Spanish Windows 2000 task scheduler
Windows Task Scheduler (MSTASK) Added by an unidentified TROJAN! of the Sdbot family. Do not delete the mstask.exe file unless it's


Every attempt has been made to ensure the information about mstask.exe is accurate but alot of malware applications try to pose as valid applications. If it is something other than what was posted above please leave some feedback in the forum.
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