How to Fix WinGet COM Server High CPU Usage on Windows 10 & Windows 11

Many Windows users have recently reported unusually high CPU usage caused by the “WinGet COM Server” process, often after a Windows update, installing new software, or seemingly at random. When this happens, the system may become sluggish, applications can lag, and overall performance drops noticeably.

If you’re seeing WinGet COM Server consuming excessive CPU resources in Task Manager, don’t worry—this is a known and fixable issue. Below, you’ll find a complete explanation of what this process does and proven solutions to restore normal system performance on Windows 10 and Windows 11.

What Is the WinGet COM Server Process?

The WinGet COM Server is a legitimate Windows component tied to the Windows Package Manager, commonly known as winget. Winget is a command-line tool that allows users to:

• Install applications
• Update existing software
• Remove programs
• Manage app dependencies

The COM Server acts as a background communication layer, enabling winget to interact with Windows services, the Microsoft Store, and installed applications.

Why Does WinGet COM Server Cause High CPU Usage?

Excessive CPU usage usually happens due to:

• A bug or corruption in the App Installer package
• Stuck background update checks
• Conflicts with third-party software
• Excessive winget sources being queried
• Corrupted system files

Although the process is safe, abnormal CPU usage means something isn’t working as intended.

Fix WinGet COM Server High CPU Usage (All Working Methods)

1. Update the App Installer (Recommended First Fix)

Winget is managed through Microsoft App Installer, and an outdated version is one of the most common causes of high CPU usage.

Method 1: Update via Microsoft Store

1- Open the Microsoft Store

2- Go to Library

3- Look for App Installer

4- Click Update if available

5- Restart your PC and check CPU usage again.

Method 2: Manual Update via GitHub

1- Visit the official winget GitHub repository

2- Open the latest release

3- Scroll to Assets

4- Download the .msixbundle file

5- Run it and choose Update or Reinstall

This also installs missing dependencies that may be causing the issue.

2. Re-Register Winget to Fix Corruption

If winget’s internal registration is broken, CPU usage can spike continuously.

1. Right-click Start → Windows PowerShell (Admin)
2. Run the following command:

Add-AppxPackage -DisableDevelopmentMode -Register "C:\Program Files\WindowsApps\Microsoft.Winget.Source_*\AppXManifest.xml" -Verbose

3. Restart your PC

This restores default winget configuration and fixes broken links.

3. Perform a Full System Shutdown (Not a Restart)

Fast Startup can keep broken processes running across reboots. A true shutdown resets drivers and background services.

1. Press Win + R
2. Type cmd
3. Press Ctrl + Shift + Enter
4. Run:

shutdown /s /f /t 0

Turn your PC back on and check Task Manager.

4. Disable Unused Winget Sources

Every enabled source increases background workload. Disabling unused sources can drastically reduce CPU usage.

1. Open Command Prompt
2. List sources:

winget source list

3. Disable unnecessary sources:

winget source disable <source-name>

Only keep sources you actively use (usually msstore and winget).

5. Perform a Clean Boot to Detect Conflicts

Third-party software can repeatedly trigger winget scans.

1- Press Win + R, type msconfig

2- Go to General

• Select Selective startup

• Uncheck Load startup items

3- Open Services

• Check Hide all Microsoft services

• Click Disable all

4- Open Startup → Task Manager

5- Disable all startup apps

6- Restart your PC

If CPU usage returns to normal, re-enable items one by one to find the culprit.

6. Repair Corrupted System Files (SFC + DISM)

Corrupted Windows components can cause system processes to misbehave.

1. Open Command Prompt (Admin)
2. Run:

sfc /scannow

3. After completion, run:

Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth

Restart your PC afterward.

7. Check for Memory Issues

Faulty RAM can cause unpredictable CPU spikes.

1- Open Windows Search

2- Type Windows Memory Diagnostic

3- Select Restart now and check for problems

4- Let the test complete

Any detected issues will be reported after login.

Additional Ways to Reduce CPU Usage

• Close unnecessary background applications
• Disable unused startup programs
• Update all device drivers
• Run a full malware scan
• Install the latest Windows updates

When Nothing Works: Last-Resort Options

If WinGet COM Server continues consuming high CPU after all fixes:

• Consider a Windows in-place repair upgrade
• Reset Windows while keeping files
• Upgrade hardware if CPU resources are consistently maxed out

Conclusion

High CPU usage caused by the WinGet COM Server is usually the result of outdated App Installer components, corrupted system files, or background software conflicts—not malware. By updating winget, repairing system files, and reducing unnecessary background activity, most users can restore normal performance quickly.

Once fixed, the WinGet COM Server should run quietly in the background, doing its job without slowing down your system.