NetFixer v1.0.0 — Initial Release

NetFixer v1.0.0

Portable 64 KB Windows Network Diagnostic & Auto-Repair Tool

No installation required. Runs on any Windows 10/11 machine with .NET Framework 4.8 (pre-installed).

How to use

1. Download NetFixer.exe below
2. Right-click → Run as administrator
3. Click Scan Network
4. Click Fix All Issues

What it checks

• WiFi Adapter status & IP
• DHCP IP Lease (APIPA 169.x detection)
• Routing Priority / Interface Metric
• WiFi Power Saving Mode
• Wi-Fi Direct Virtual Adapter conflicts
• DNS Resolution
• Proxy Settings
• Internet Reachability
• Winsock / TCP-IP Stack integrity
• Avast DNS Interference (last 24h)

Requirements

• Windows 10 / 11 x64
• .NET Framework 4.8 (already on all modern Windows)
• Administrator privileges