Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 1.33%
5.1.2600.5512 (xpsp.080413-2108) 68.10%
5.1.2600.5512 (xpsp.080413-2108) 0.41%
5.1.2600.5512 (xpsp.080413-2108) 0.72%
5.1.2600.5512 (xpsp.080413-2108) 0.41%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 2.87%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 0.41%
5.1.2600.5512 (xpsp.080413-2108) 2.56%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 0.41%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 2.26%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 1.03%
5.1.2600.5512 (xpsp.080413-2108) 1.33%
5.1.2600.5512 (xpsp.080413-2108) 0.10%
5.1.2600.5512 (xpsp.080413-2108) 1.33%
5.1.2600.3311 (xpsp.080212-0003) 0.41%
5.1.2600.3300 (xpsp.080125-2027) 0.10%
View more

Relationships

mstask.dll

Task Scheduler interface DLL by Microsoft

Remove mstask.dll
Version:   5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)
MD5:   61cbee58d1dde5d8815e1eaa57aca2cb
SHA1:   b0b1e5a9774243903f9b3a96e86cf6f98b25460e
SHA256:   aaed6e797378e4fb391285556e31b3e7df5a995f1c7e8839ccf2444af2dc0c18
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is mstask.dll?

A Task Scheduler engine performs the actions scheduled through the Task Scheduler. A Task Scheduler engine communicates with the Task Scheduler service to execute tasks. The service creates a task engine to run tasks.

About mstask.dll (from Microsoft)

A task engine starts when a task is run for a specified principal (the security context the task runs under). The Task Scheduler engine manages a queue of tasks that are scheduled to run. A task is pu

DetailsDetails

File name:mstask.dll
Publisher:Microsoft Corporation
Product name:Task Scheduler interface DLL
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\mstask.dll
File version:5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)
Product version:5.1.2600.2180
Size:324 KB (331,776 bytes)
Digital DNA
Entropy:6.343949
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'Scheduled Tasks' with CLSID {D6277990-4C6A-11CF-8D87-00AA0060F5BF}
  • 'Tasks Folder Shell Extension' with CLSID {797F1E90-9EDD-11cf-8D8E-00AA0060F5BF}
  • 'Tasks Folder Icon Handler' with CLSID {DD2110F0-9EEF-11cf-8D8E-00AA0060F5BF}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

Distribution by countryDistribution by country

United States installs about 33.51% of Task Scheduler interface DLL.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 35.80%
Intel 13.23%
Compaq 9.34%
American Megatrends 8.56%
GIGABYTE 7.39%
Toshiba 7.00%
Hewlett-Packard 5.84%
Sahara 3.50%
Acer 2.33%
Lenovo 2.33%
Gateway 2.33%
ASUS 2.33%
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