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.NET runtime optimization service is a component of the Windows Operating System, which is also known as mscorsvw.exe, and is used to optimize the system by helping it start apps and programs faster. However, if you are experiencing long delays or slow processes, you will see high CPU usage in the task manager.

Once you have a basic acknowledgment of what is .NET runtime optimization service, you should understand why it was caused before. I am proceeding directly to mscorsvw.exe high CPU usage solution because I respect and value your time.

Usually, it occurs when you update the Windows to the latest version because of messing with the registry settings that lead to the issue. However, I have found the solutions for you to fix it like a professional and allow the windows to run normally. Let’s start setting.

Using CMD (Command Prompt)

Step 1: Open CMD from the Start menu and run as administrator or press Win + R, write CMD.exe, and press Ctrl + Shift + Enter keys as seen in the picture given below:

Step 2: Now, for the 32 Bit system, run the following commands:

cd c:\Windows\Microsoft.NET\Framework\v4.0.30319

ngen.exe executequeueditems

In case you have a 64 Bit system, then enter the commands given below:

cd c:\Windows\Microsoft.NET\Framework64\v4.0.30319

ngen.exe executequeueditems

In case you are still experiencing the same issue, then proceed to the next method.

Scan Your Computer

Step 1: Again, press the Windows button, type “Virus & Protection,” and open it.

Step 2: Go to scan options and run a “Full Scan.”

Finally, the .NET runtime optimization service should not be consuming higher CPU usage.

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