# How to Fix MoUSO Core Worker Process High CPU and RAM Usage **URL:** https://www.compsmag.com/blogs/how-to-fix-mouso-core-worker-process-high-cpu-and-ram-usage/ **Author:** Ayushi Chauhan **Published:** 2022-12-02 **Updated:** 2022-12-02 **Categories:** Blogs **Tags:** Blogs Daily, Computer Guides, Computers Tips and Tutorials, guiderobert, Guides and Tutorials, guiding12, How To Guide, How To Guides, Originals How to, Tips, Tricks, Windows 10, Windows 11, Windows Tips **Reading Time:** 5 min --- Windows employs the MoUSO Core Worker Process as an Update Session Orchestrator (USO) to control update sessions. Managing the Update session entails resolving any problems that can prevent Windows from updating. When updating Windows, this procedure also protects it from potential threats. The background-running MoUSO Core Worker Process has no impact on any other processes that a user is running. However, this procedure occasionally uses a lot of memory because of download or installation errors. During a Windows update, the MoUSO Core Worker Process utilizes DLL (Dynamic Link Library), along with a few other executable files. We mentioned below are the Ways to**Fix MoUSO Core Worker Process High CPU and RAM Usage.** ## Ways to Fix MoUSO Core Worker Process High CPU and RAM Usage ### Install all pending updates Click the**Windows icon** at the bottom left of your screen to bring up the Start menu. Select **Settings**, or use the **Windows + I key** combination. Click on the **Update & Security tile**. Here you’ll find most of your Windows Update settings, and you can choose when you want to receive updates. Make sure you stay on the default **Windows Update tab.** Click the**Check for updates** option and wait for Windows to check for available updates. When you are shown updates, **click the Show all optional updates link** to see and install them. When Windows finds a new update, **click the Install option.** Wait for Windows to download and **install** the necessary updates. ### Run the Windows Update troubleshooter Windows 10 includes a number of diagnostic tools that can be used to fix problems without the help of an IT expert. Even though they are imperfect, these can be useful in identifying issues with your system. To solve any issues with the MoUSO Core Worker Process, try running the Windows Update troubleshooter. Open the**search bar** in your taskbar by clicking the magnifying glass icon. You can also open it with the**Windows + S** keyboard shortcut. Type “**Control Panel**” in the search box. When you see it in the results, click on it to**launch the application.** Search for “**Troubleshoot**” in the input box at the top right, and then click the “Troubleshoot” heading in the search results.Click the View All link in the **left pane.** This will take you to a new page that **displays** all available troubleshooters. Scroll down and find the **Windows Update troubleshooter**. Click it **once**, and then wait for the troubleshooter to launch in another window. Click Next to **start** the troubleshooter for Windows **Update**. If the troubleshooter can diagnose a problem, it will try to fix it. At the end of the troubleshooter, you can **view** a full report. ### Disable Delivery Optimization Press the **Windows + R keys** on your keyboard simultaneously to invoke the Run utility. Type “**regedit**” without the quotes and then click the OK button. Use the**navigation pane** on the left side of the window to find the following **registry key**, or use the address bar and copy-paste the location: > HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesDoSvc Right-click the **Start value and select Change**… from the context menu. from the context menu. A new window should open. Change the **Value data field** from the current number to 4. Make sure the base is set to **hexadecimal**, and then click the **OK** button. At this point, you will need to **restart** your computer before proceeding to the next steps. Once your system has successfully **rebooted**, proceed with the following steps. Press the**Windows + R keys** on your keyboard simultaneously to bring up the Run utility. Type “**services.msc**” without the quotes and then click the **OK** button. This will start the services in a separate window. Scroll down until you find **Delivery Optimization** in the list of services. Right-click it and **select Properties** from the context menu. Make sure that the Startup type is **set to Disabled.** If it is not, change the setting by opening the drop-down menu and selecting the option. Click **OK**. You should be able to test whether the **MoUSO Core Worker Process still causes high CPU, disk, or memory** usage after this adjustment. ### Restart the Windows Update service Restarting the Windows Update service should fix the issue if you’ve previously identified the MoUSO Core Worker Process as the root cause of your Windows machine’s inability to go to sleep. Press the**Windows + R keys** on your keyboard simultaneously to bring up the Run utility. Type “**services.msc**” without the quotes and then click the **OK** button. This will start the services in a separate window. Scroll down until you find **Windows Update** in the list of services. Right-click on it and select Update from the context menu. ## Final Words We hope you like our article on how to Fix MoUSO Core Worker Process High CPU and RAM Usage. Windows updates have a reputation for being imperfect. A few years after the debut of Windows 10, Microsoft tried to enhance the updating experience via the Unified Update Platform (UUP). The UUP has always been a part of Windows 11. There are various layers that make up the Unified Update Platform, each of which deals with a different aspect of the update procedure. One component of the new update platform is the mousocoreworker.exe process. --- *End of Article*