Ensure your LG device is recognized under .
Many antivirus programs flag the patched MegaLock.dll as a "false positive" because it modifies the software's behavior. Lg Flash Tool Cannot Run This Program Fix
For Windows 10/11:
The LG Flash Tool is hardcoded to look for your phone on a very specific virtual port. If your phone is plugged into COM4 or COM10, the program may simply refuse to "run" the flash process. Device Manager while your phone is in Download Mode. Look under Ports (COM & LPT) for "LG Mobile USB Serial Port." Right-click it > Properties Port Settings Change the COM Port Number . This is the default port the tool expects. 5. Disable Antivirus Temporarily Ensure your LG device is recognized under
file (usually included in the Flash Tool download folder). Copy this file and paste it into the installation directory, typically located at C:\LG\LGFlashTool . Overwrite the existing file if prompted. 2. Check Visual C++ Redistributables If your phone is plugged into COM4 or