How to Fix WaasMedic Agent Exe High CPU Usage on Windows 10/11?

Windows devices keep receiving updates to fix temporary bugs and issues. Windows Update Medic Service is an inseparable part of the Windows Update procedure. Now, WaasMedic Agent Exe is the abbreviation for this particular service. This service might start running in the background and fix corrupted or damaged Windows Update if required.

This is fine when it’s utilising a definite amount of resources. Users have complained that WaasMedic Agent Exe is reported to be using up to 100% RAM, hard disk, or CPU resources. Consequently, no other software can get its required resources to run efficiently on your Windows 10 computer. You might find it very difficult to run additional applications, and your Windows system starts crashing.

If you are experiencing a high CPU use due to the WaasMedic Agent Exe service, then you are not alone. You might have been witnessing lagging Windows PCs or overheating, and there’s no suitable reason until you check the Task Manager. 

The highlighted WaasMedic service might be suspected as a virus or malware when you are not aware of the service. But, there’s nothing to worry about when experiencing this issue. Here are some practical ways to terminate the high CPU usage due to the WaasMedic Agent Exe service.

Deactivate Antivirus Applications

The misconfiguration with the antivirus software can trigger the issue of high CPU usage regarding the WaasMedic service. If there’s any conflict between the antivirus software and the Windows Update, the antivirus software can assume the service to be suspicious. Additionally, the WaasMedic service keeps running and exploits the CPU resources.

The first and best shot to end this issue is to disable the antivirus application. Ensure that you disable it for an acceptable amount of time. Otherwise, it can affect the performance of the Windows PC. Check if disabling the antivirus makes any difference.

Remove the External Hard Drive

If the WaasMedic agent Exe utilises 100% of the external hard drive, then simply unplug the component. However, this solution applies to only those PCs connected to an external hard drive. 

Here’s what you need to verify and proceed on:

  1. Press Ctrl, Alt, and Delete buttons simultaneously and choose the Task Manager.
  2. Go to the Performance tab. Choose the Open Resource Monitor option.
  3. If the WaasMedicAgent.exe is found to be the malefactor for your external hard drive, then remove it from the PC.

Observe if everything is fine now.

Try Disk Cleanup

When your computer is running low on spaces, it’s better to delete unnecessary files and folders. This will make space on your computer’s disk, and you can use the Disk Cleanup feature in the following instructions:

  1. Click the Windows icon from the Taskbar and type Disk Cleanup in the search bar.
  2. Choose the Disk Cleanup option and select the disk you want to clean. This should be the disk on which you have installed Windows.
  3. Click the OK button followed by the ‘Clean up system file’ option. 

Finally, you can click on the OK button, and it will start deleting unwanted files and broken registry to make enough space. Additionally, you can check the Task Manager if the WaasMedic Agent Exe is still troubling the CPU resources.

Deactivate Windows Updates and WaasMedic Agent Exe Services Temporarily

WaasMedic Agent Exe service takes the responsibility to run Windows updates smoothly. As you are encountering high CPU usage for the WaasMedic Agent Exe service, you should better disable Windows updates for a while. 

Just go to Settings and stay in the tab of Windows Update. Scroll down and select the option that says, ‘Pause updates for 7 days’.

You can even choose a period of 365 days under the Advanced option of Windows Update. However, this is limited to feature updates; you can’t keep quality updates pending for more than 30 days. 

Additionally, you can try disabling the WaasMedic Agent Exe services using the Registry Editor. Open a Run dialog box by pressing the Windows and R keys together. 

Type in ‘regedit’ and click the OK button. Navigate to the following file path: 


You need to go to the Start DWORD file and modify its value to 4. Next, set the permission to the key to SYSTEM Deny.

Update Windows Operating System

Numerous Windows 11 users have suggested that updating the system might help with the situation with WaasMedic Agent Exe. Here’s what you have to follow to update your Windows 11 PC:

  1. Hit the windows icon from the Taskbar and click the Settings app.
  2. Choose the Windows Update option from the left pane of the screen.
  3. Opt to Check for updates and observe any available updates for your PC.

The PC will take the update and restart after a while. Then, you can check if the WaasMedic Agent Exe exploiting CPU resources issue persists or not.

Reset the Windows PC

If none of the above solutions is working for you to eliminate the high CPU usage of WaasMedic Agent Exe, you can try resetting the PC. If you own a Windows 10 PC, you need to explore Settings and hit the Update & security option. 

Choose Recovery from the left pane and select Get Started under the ‘Reset this PC’ section from the right pane. Check out the on-screen instructions carefully.

If it’s a Windows 11 PC you need to start with Settings and land on the Windows Update tab from the left-hand side of the window. Hit the Advanced Options and click the Recovery tab. Go for the Reset PC option and abide by the instructions appearing on the screen.


While resetting your Windows PC, choose the timeline when you didn’t experience the WaasMedic Agent Exe issue. Check if this works. We don’t recommend blocking or pausing Windows updates for a more extended period, as it might risk the security of the Windows device.