| Issue | Probable Cause | Resolution |
| :--- | :--- | :--- |
| "Device Not Found" Error | Driver conflict or wrong COM port. | Re-install drivers; check COM port number in Device Manager. |
| Application Crash on Start | Missing .NET Framework or C++ Redistributables. | Install .NET 4.8 and VC++ 2015-2022 runtimes. |
| License Validation Failed | Firewall blocking outgoing port 443. | Add an exception for WL_Tool.exe in Windows Defender Firewall. |
| Slow Data Transfer | USB 2.0 port usage. | Move connector to a USB 3.0 (Blue) port. |
This is where most users fry their chips. Unlike modern programmers that auto-detect voltage, the WL programmer often requires manual voltage selection and DIP switch configuration. wl repair tools setup
WL Repair Tools is a comprehensive utility suite designed to diagnose, maintain, and repair common Windows operating system issues. The setup package provides a streamlined installation process, ensuring all necessary components are correctly registered and accessible. Ideal for IT technicians, system administrators, and advanced users, WL Repair Tools minimizes downtime by automating critical repair tasks. | Issue | Probable Cause | Resolution |