What does the MoUsoCoreWorker.exe file do?
The MoUsoCoreWorker.exe process is also known as MoUSO Core Worker Process and is a part of Microsoft Windows Operating System. This software is produced by Microsoft (www.microsoft.com). An outdated or faulty version of MoUsoCoreWorker.exe can cause problems for your computer, ranging from slowness to error messages like these:
- MoUSO Core Worker Process has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- MoUSO Core Worker Process has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- MoUsoCoreWorker.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module MoUsoCoreWorker.exe. Read of address 00000000.
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What you should know about MoUsoCoreWorker.exe MoUSO Core Worker Process
MoUsoCoreWorker.exe is not part of Windows, but it is important nonetheless. MoUsoCoreWorker.exe is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 3,605,400 bytes (33% of all these files), 3,362,752 bytes, 3,547,168 bytes, 3,591,432 bytes or, as the case may be, 3,315,656 bytes.
MoUsoCoreWorker.exe does not come from Microsoft and is not part of the operating system. This process does not have a visible window, and does not appear on the taskbar. The producer of the file is registered with a certificate authority. This confirms the genuineness of the file.
For this reason, 47% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
- A MoUsoCoreWorker.exe file has a 2% certainty of being dangerous if it is found in a subdirectory of C:\Windows. In this case, the file size is usually 2,920,448 bytes (33% of all these files), 3,112,960 bytes, 2,846,720 bytes or, as the case may be, 2,830,336 bytes. This file is a Windows system file. The file contains Microsoft's digital signature. This confirms its authenticity. This particular software does not have a visible window, and does not appear on the taskbar.
- A MoUsoCoreWorker.exe file has a 2% certainty of being dangerous if it is found in the C:\Windows\System32 directory. In this case, the file size is usually 1,185,280 bytes (50% of all these files) or, as the case may be, 1,254,400 bytes. The MoUsoCoreWorker file is part of the operating system. The file contains Microsoft's digital signature. This confirms its authenticity. The program executes in the background, and can only be terminated using Windows Task Manager.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves MoUsoCoreWorker.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about MoUsoCoreWorker?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall the program
To remove MoUSO Core Worker Process from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate the program in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if MoUsoCoreWorker.exe (MoUSO Core Worker Process) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of MoUSO Core Worker Process. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: MoUSO Core Worker Process or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or MoUsoCoreWorker.exe is causing problems, a good Windows diagnostic tool may help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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