Completely Disable WerFault.exe (Windows Error Reporting) on Windows

Method 1: Disable via Group Policy (Recommended for Windows Pro/Enterprise)

1. Press Win + R, type gpedit.msc, and press Enter.

2. Navigate to:

   Computer Configuration → Administrative Templates → Windows Components → Windows Error Reporting


3. Double-click “Disable Windows Error Reporting”

4. Set it to Enabled

5. Click Apply → OK

This disables WER across the system and prevents WerFault.exe from launching.

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Method 2: Disable via Windows Registry (All Editions)

1. Press Win + R, type regedit, and press Enter.

2. Navigate to:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting


   If the Windows Error Reporting key doesn’t exist, right-click Microsoft\Windows, choose New → Key, and name it Windows Error Reporting.

3. Inside Windows Error Reporting, do one of the following:

   • Right-click in the right pane → New → DWORD (32-bit) Value

   • Name it: Disabled

   • Set its value to: 1

4. Restart your PC for changes to take effect.

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Optional: Disable WER Service

While disabling WER via policy or registry prevents it from activating, you can also disable its background service as an extra step:

1. Press Win + R, type services.msc, and press Enter.

2. Find: Windows Error Reporting Service

3. Right-click → Properties

4. Set Startup type to Disabled

5. Click Stop (if it’s running), then Apply and OK