Are you mscorsvw.exe using a lot of CPU?


You’re not sure what Microsoft Compiler To Save Work is, and if it is a component of .NET Runtime Optimization Service?

Recently, some users shared that their programs and apps are taking a significant amount of time to load. And when they opened Task Manager, they found the .NET the Runtime Optimization service was making up almost 90 percent in CPU.

Related Info: How to fix waasmedic agent exe high disk usage

The first thing to note is that you shouldn’t have to fret about it because you’re not the only one and a lot of users tried various wrong solutions for the mscorsvw executable for Windows 11.


We’ve put together an extensive list of solutions to get rid of this mscorsvw.exe error.

What exactly is Mscorsvw Exe?

Mscorsvw.exe can be described as an executable program. It is a short form as Microsoft Compiler To Save Work.

The feature was launched by Microsoft in Windows 8, and can be found in current editions of Windows 10 and 11.

.NET The Runtime Optimization Service is a component of mscorsvw.exe and is responsible for making applications and programs run more efficiently that depend on it.

Mscorsvw.exe is so crucial that all programs running on .NET programming make use of this file.

Thus, whenever you turn off the .NET runtime optimization service is enabled, is activated, it’s evident that it uses a lot of CPU and disable it would cause problems for other systems connected with Windows OS.

Is Mscorsvw an exe virus?

It’s safe because Mscorsvw is an official program digitally certified through Microsoft Corporation.

Although it is legitimate, hackers are able to attack the program to alter it and execute their illicit actions by using mscorsvw.exe.

Additionally, if you’re also a Windows XP or Windows Vista user and see that the .NET Runtime Optimization Service running on your computer, it’s a malicious program since the program no longer functions there.

We can also eliminate our minds that mscorsvw is not a virus by examining the location of the file in the manner it was intended to be in the default place when it was initially created.

To be safe, you can confirm if there’s an infection or not using Task Manager:

1.Press with Ctrl + Shift and Esc keys together to launch Task Manager.

2.Go into Details and search for mscorsvw.exe

3.Also on the right hand side, under the description column, make sure the name of the account is correct.

4.Right-click on it, and then select Open File Location.

5.If it is located at c:\windows\microsoft.NET\framework

If it’s not on the address listed, it could be a malware or spyware.

Solution 1: Scan For Virus and Threats

If you download anything from a fraudulent website, you could download a virus that you.

Even if you have antivirus program installed on your computer, but it’s not able to protect your system in full.

Additionally, it could cause mscorsvw.exe Utilization of the network and disks at high levels.

To overcome this issue, to get rid of the NET runtime Optimization service CPU issue in Windows 11 it’s best to look for viruses with the Windows 11 built-in virus protection software.

Here’s how to protect yourself from threats and viruses:

1.Click to open the Search icon.

2.Select Settings

3.Now select Privacy and Security > Windows Security

4.Select the threat and virus protection and then click on Quick scan

5.Wait till the scanning process complete and it will let know the best way to handle the virus. You can either remove it or stop it.

6.Then restart your computer to check if mscorsvw.exe High CPU is repaired.

Solution 2: Speed Up .NET Runtime Optimization Service Using Command Prompt

There are a variety of methods to speed up the process, and as a result mscorsvw.exe will take less CPU.

Thus, this command feature allows .NET runtime Optimization Service to speed the process using all the cores that are available within the CPU.

Here’s how to speed up .NET the Runtime Optimization Services:

1.Open the Command Prompt and select Administrator, then press Windows Key + X

2.Or you can search “Command Prompt” within the Startup menu, then select Run as administrator.

3.If you’re running an operating system that is 32-bit, you must duplicate and copy the below command and then press Enter following each command.

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

4.If you are running an operating system that is 64-bit, you will need to duplicate and copy the below command and hit Enter.

d C:\Windows\Microsoft.NET\Framework64\v4.0.30319

5.Now you can type the following command, then hit Enter ngen.exe executequeueditems

Reboot your computer after the procedure to see whether .NET Runtime Optimization Service’s excessive CPU usage has been reduced or not.