FIX: .NET Runtime Optimization Service High CPU usage? What is .NET runtime optimization service?
How to fix .NET Runtime Optimization Service High CPU usage issue
The .NET runtime optimization service, also known as mscorsvw.exe, is a core component of Windows that optimizes your machine by helping it launch programs and applications faster. Typically the .NET Runtime Optimization Service will not cause high CPU but if the optimization process takes longer than usual, it may cause high CPU usage. If you are also faced this .NET runtime issue, here's how to fix.
1. Start Command Prompt as Administrator.
2. In the Command Prompt, type the following command one by one and then press Enter to execute:
- For 32-bit: cd c:\Windows\Microsoft.NET\Framework\v4.0.30319
- For 64-bit: cd c:\Windows\Microsoft.NET\Framework64\v4.0.30319
3. Then, type the following command and press enter:
ngen.exe executequeueditems
4. Close the command prompt.