Laptop unable to open Nmap

4.5

Nmap won't open or crashes on launch.

Symptoms
  • App crash
  • No response
  • Driver error
Possible Causes
  • Npcap issue
  • Permissions issue
  • Old version

Step-by-Step Fix

1

Reinstall Npcap

Required for packet capture.

2

Run as Admin

Required for network access.

3

Update Nmap

Ensure you have the latest version.

When to See a Technician

Nmap needs admin rights and a working Npcap driver.

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