Error: WFS.exe is missing in Windows 10/11

When you try to launch Windows Fax and Scan by running its executable WFS.exe, you may encounter the following error:

Windows cannot find 'c:\windows\system32\wfs.exe'. Make sure you typed the name correctly, and then try again.

The file wfs.exe may be missing in the Windows\System32 folder. You may be wondering how to start the Windows Fax and Scan program.

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You can install Windows Fax and Scan via Optional features (Windows Features.)

Method 1: Using Optional Features in Settings

Windows 11

1. Open Settings → Apps → Optional features.
2. Click “View features”
3. Type “fax”.
4. Select Windows Fax and Scan from the list and click Next.
5. Click Install.

Windows 10

1. Open Settings → Apps → Optional features.
2. Click “Add a feature”
3. Type “fax”.
4. Select Windows Fax and Scan from the list.
   
5. Click Install.

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Method 2: Using the DISM command-line

You can also use the following command from the admin Command Prompt to install Windows Fax and Scan.

Dism /Online /Add-Capability /CapabilityName:Print.Fax.Scan~~~~0.0.1.0

I hope the above information helps.