| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | "Component not found" error | Missing DLL files | Reinstall as administrator. Download VC++ Redistributables. | | Simulation runs slowly | Compatibility mode | Right-click .exe > Properties > Compatibility > Run for Windows 7. | | Cannot save circuits | Folder permissions | Run software as administrator, or save to Documents folder. | | Antivirus deletes the file | False positive | Restore from quarantine and add an exception for the FL Winlab folder. |
If you are a student or instructor:
After your FL Winlab software download is installed: Fl Winlab Software Download