Welcome to the PC Pitstop Process Library. We have an extensive list of the most common processes currently running on PCs. Use this library to inspect the safety of your running processes on a regular basis.

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mstask.exe (Scheduled Tasks)

Percentage of recently scanned PC's with this process running: 0.15%
Average CPU use for this program: 0%
Average RAM for this program: 2 MB


In addition to the file name, mstask.exe, the following version information is used to identify the file. If the file does not match this information, it may be a different file. To ensure the file is absolutely correct, run a free and comprehensive scan.

Vendor contains:Microsoft
Product contains:Windows

To view version information with Windows Explorer, right-click the file and click Properties, Version.




Win Patrol

mstask.exe provides the ability under Win98/Me to schedule programs that will run at a specific time or repeatedly on a recurring basis. In Win98, Task Scheduler has an icon in the tray that you can click to see the list of scheduled tasks. In Windows Me, you access its user interface through Control Panel. If you disable Task Scheduler, it will not be possible to schedule tasks. Windows itself sometimes uses Task Scheduler for running programs, so disabling it is not advisable even though Windows will generally function fine without it.

mstask.exe  is an essential part of Windows and required for Windows to work properly. It should never be disabled.

PC Pitstop recommends WinPatrol Plus for monitoring all of the background activity on your PC. WinPatrol Plus provides an easy to understand descriptions of over 15,000 processes and programs.


MD5 hashes is the way that computers can define the uniqueness of a file. Anti malware vendors frequently use this technique to detect and clean malware. It is common for a program to have multiple MD5 hashes as the developers create newer versions of the program. For the program called mstask.exe, we have detected more than 10 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
mstask.exe> 10
MD5 Hashes
# MD5 Size
1 0x15f6755c911c39108f3559d306f7f0bd 118784 bytes
2 0xe7a8b2716b18b5b5eccae65df666ef29 111888 bytes
3 0x33e251c85c983a663f79d5d331db0222 118544 bytes
4 0x38a680f9927ab0cd3070b7e18bfc475b 126976 bytes
5 0x00d8c428b2d6dffcabeb859bc69f632b 119568 bytes
MD5 Hashes
# MD5 Size
6 0xc315140e6d275bb8dd4d6e5e5c07982b 122128 bytes
7 0x2f78349daca48c6c6f134c5d05ae530f 122128 bytes
8 0x7b785e46b13d438fcef86fc6da3331b3 122128 bytes
9 0x5df740102f9cf33c431d286af312a6be 131072 bytes
10 0xe41147315649e73211c54ba3ef2bc430 123152 bytes


Try a free diagnostic now

PC Pitstop is the undisputed leader in PC diagnostics. Our running process library is culled from our database of over 100 million PC diagnostics and scans.

To find the latest driver for your computer we recommend running our Free Driver Scan.

Find out how to make your computer faster by running our Free Performance Scan.

Tips from the PitCrew

Tips from the Pit Crew

Every process running on your computer takes up CPU cycles and valuable memory. For optimal PC performance and resource utilization, you should be aware of every process on your computer. PC Pitstop designed this process library to help you know which processes are worthwhile and others that slow system performance.

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Important Note

A file name alone may not be enough for positive identification. PC Pitstop's Overdrive tests and spyware scan use information such as the company name, product name, or install directory.

If you are unable to identify a file, ask about it in our forums after running our full tests.