Feature Name: LGMV USB Security Key Driver & Licensing Service Category: Software Security / Access Control / System Integration Target Users: LG Certified Technicians, System Integrators, Commissioning Engineers.
A: Yes, if your keyboard works fine. The driver is often a background component for lock key LED synchronization. If you see no errors or performance issues, there is no need to act.
When drivers refuse to cooperate, use AutoHotkey or SharpKeys to manually assign Fn Lock behavior. For example, an AutoHotkey script can toggle the Fn state by sending #F14 (a hidden Lenovo signal). lgmv lock key driver upd
Warning: Avoid third-party “driver updater” tools — they often bundle malware or incorrect drivers.
✅ Safe sources:
If you don’t know the manufacturer, search for “LGMV lock key driver” along with your device’s model number from Device Manager.
Restart your PC to complete the installation. Feature Name: LGMV USB Security Key Driver &
A: No. The genuine driver is not malicious. However, malware can disguise itself with similar names. Always check the Digital Signer in Driver Properties → Driver tab. It should say "Microsoft Windows Hardware Compatibility Publisher" or "Logitech, Inc." If it is unsigned or signed by an unknown publisher, run a full antivirus scan.
While the driver itself is typically benign, users report several issues when it becomes corrupted, outdated, or conflicts with other software: If you don’t know the manufacturer, search for
| Problem | Typical Symptom |
|---------|------------------|
| Driver failed to install | Windows Update shows error code (e.g., 0x800f0248) for "LGMV Lock Key Driver UPD." |
| Caps/Num Lock keys stop working | Pressing Caps Lock toggles the setting on screen but the keyboard LED does not respond, or vice versa. |
| High CPU usage | A process like wmiprvse.exe or LogiLDA.DLL spikes CPU when the driver attempts to update. |
| Device Manager error icon | A yellow triangle next to "LGMV Lock Key Driver UPD" with error code 10, 28, or 31. |
| Conflict with gaming software | When playing games, lock keys behave erratically; often due to a clash between the generic driver and Logitech Gaming Software. |