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A mysterious executable that is causing high disk usage, high RAM consumption, and your CPU usage can be alarming. But don’t worry, mousecoreworker.exe is a normal part of Windows 10 and Windows 11. Here’s what you need to know.
What Is MoUSOCoreWorker.exe?
Windows updates are notorious for being less than perfect. Microsoft tried to improve the update experience a few years after the release of Windows 10 with the Unified Update Platform (UUP). The UUP was included with Windows 11 from the start.
The unified update platform can be divided into multiple layers, each of which handles a different part of the update process. The mousecoreworker.exe process is part of the new update platform.
The “USE” in MoUSOCoreWorker stands for “Update Session Orchestrator”, the component of the update process that coordinates the order in which updates are downloaded and installed.
Microsoft provided the following table on its website to explain how the new (more or less) Unified Update Platform works, although the company did not include any specific documentation on what exactly mousecoreworker.exe does.
When working properly, mousecoreworker.exe should appear in Task Manager when Windows checks for updates, and then disappear.
How to fix MoUSOCoreWorker.exe issues
If mousecoreworker.exe is not working properly, people have noticed that it stays active and using system resources. High disk usage and high RAM usage are particularly common complaints. Problems usually occur if an update isn’t running, though sometimes it happens if an update gets stuck. You can open Task Manager and end the process in any case.
RELATED: Why does restarting a computer solve so many problems?
It is also known to repeatedly wake up PCs from sleep mode and try to install an update. If that happens, the best thing to do is to let it go and try to figure it out on your own.
If letting it run or restarting the process doesn’t resolve the issue, you may need to take additional steps to repair Windows Update.
Is MoUSOCoreWorker.exe malware?
A glitch is the most likely explanation if your mousecoreworker.exe is misbehaving, but it’s always possible that malware is masquerading as a legitimate Windows process. Malware has disguised itself as legitimate software and services many times in the past.
If you are concerned about the possibility of a virus, you can always scan your computer with Microsoft Defender or Malwarebytes. Both are great and are likely to catch whatever malware is running on your system.
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