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.

Click here to run our free scan and see if your computer's processes are safe. To find out how to make your computer faster, try running our Free PC Matic Scan.

Search For Processes

Process Name

  

Unknown Unknown
Safe Safe
User Optional User Optional
Unwanted Unwanted
Spyware / Adware Spyware / Adware
Virus Virus


More than one possible match was found; all matches are listed below in order of their prevalence. This only tells you what the file and the correct action might be.

To understand which possibility is actually running on your own system, perform an Overdrive test and then look at the Software|Processes tab.

You may find more information on this process by visiting Process Detail Pages.


Match #1



msascui.exe (Windows Defender)

Percentage of recently scanned PC's with this process running: 2.87%
Average CPU use for this program: 0%
Average RAM for this program: 8 MB


In addition to the file name, msascui.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 Defender

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


Vendor or Distributor's Web Site

http://www.microsoft.com/athome/security/spyware/software/default.mspx



Win Patrol

MSASCui.exe is part of Windows Defender antispyware.

msascui.exe  is required by third-party software or hardware and should not 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 msascui.exe, we have detected more than 10 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
msascui.exe> 10
MD5 Hashes
# MD5 Size
1 0x77c03bf23ae56b0a31ae4d5bb4b3d0ac 846 KB
2 0xa017d69295da115e9a1ead73b14ed25f 984 KB
3 0xac2a3e5aca54c989804cded435a957bd 14 KB
4 0x83042fc5e3a9c2bc0696bb8bfa8d72f9 1212 KB
5 0x54b1f0b554c4894c509b9ccf0239e78f 846 KB
MD5 Hashes
# MD5 Size
6 0xeeeb4e0e0b5633f175a4c1ca9608d5bc 1004136 bytes
7 0x2642aa91abf53f528b943da5a4c50094 866584 bytes
8 0xd848863a0bd838df48ce96ef506f7bb2 866816 bytes
9 0x10b5bfbdb6717b58eeab927cfd1ced25 1004136 bytes
10 0x4ae6acb71c49426fb52fc8cfd549dc65 1237504 bytes

Match #2



msascui.exe (MSASCui.exe)

Percentage of recently scanned PC's with this process running: 0.03%
Average CPU use for this program: 0%
Average RAM for this program: 7 MB


In addition to the file name, msascui.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 Corporation
Product contains:Microsoft® Windows® Operating System
File name contains:\Program Files\Windows Defender\MSASCui.exe

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




Win Patrol

MSASCui.exe -

msascui.exe  is returning insufficient information about this program.

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.




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.