LSPFix

Overview

LSPFix was a free network diagnostic and repair tool developed by Cexx.org. It was designed to fix network connectivity issues caused by corrupted or malicious Layered Service Provider (LSP) entries in the Windows network stack. LSP hijacking was a common malware tactic used to intercept or block internet traffic, making LSPFix a valuable tool for repairing affected systems.

Features

Repairs broken LSP chains that cause internet connectivity issues.
Removes corrupt or malicious LSP entries.
Does not require installation (portable executable).
Safe to use – does not modify essential system files.
Free to use for personal and professional purposes.

Compatibility

LSPFix was compatible with:

Windows 95
Windows 98
Windows ME
Windows 2000
Windows XP

It is not required on modern Windows versions, as LSP-based network hijacking techniques have become obsolete.

Usage

Download LSPFix from a trusted source.
Run the executable (no installation required).
Select the problematic LSP entries from the list.
Click the "Remove" button to fix the LSP chain.
Restart the computer to apply changes.

Pros & Cons

Pros

✔ Quick and easy to use.
✔ Effective at repairing LSP-related network issues.
✔ Portable (no installation required).

Cons

✘ Discontinued and no longer updated.
✘ Only useful for older Windows versions.
✘ Requires manual selection of problematic LSP entries.

Alternative Software

WinsockFix – A similar tool for repairing Winsock and LSP issues.
NetAdapter Repair All In One – A modern network troubleshooting tool.
Microsoft Network Troubleshooter – Built-in Windows diagnostic tool.

Developer

Company: Cexx.org
Status: Discontinued (No longer maintained)

External Links

(No official website available)
May be available on security forums and archives (use caution when downloading).