Quick Answer
lghub.exe is safe. It's Logitech's official peripheral management software that coordinates devices, lighting, macros, and profiles through a central service with multiple sub-processes.
What is lghub.exe?
lghub.exe is the Logitech G Hub executable, the official peripheral management software. LG Hub coordinates devices, lighting profiles, macros, and game integrations, using multiple processes to manage each device action and setting. It detects connected devices, applies lighting schemes, stores user profiles, and syncs basic data with the Logitech cloud.
LG Hub uses a modular, multi-process design to isolate drivers, lighting engines, and UI. This separation improves stability and enables live lighting changes without affecting other system tasks.
Quick Fact: Logitech G Hub supports RGB lighting on many devices and uses per-device services to apply profiles in real time.
Types of LG Hub Processes
- Main Service Process: Core LG Hub service that coordinates devices, profiles, and cloud sync
- Device Discovery/Loader: Detects and initializes connected Logitech devices (USB/Bluetooth)
- Lighting Engine Process: Renders and applies RGB lighting effects across devices
- Profile & Macro Manager: Manages user profiles, macros, and game integration logic
- UI/Settings Process: User interface window and configuration sandbox
- Update & Helper Service: Background tasks for updates and auxiliary features
Is lghub.exe Safe?
Yes, lghub.exe is safe when it's the legitimate file from Logitech downloaded from official sources (logitech.com or the LG Hub installer).
Is lghub.exe a Virus or Malware?
The real lghub.exe is NOT a virus. However, malware can mimic names; always verify the source and signature.
How to Tell if lghub.exe is Legitimate or Malware
- File Location:: Must be in
C:\Program Files\LGHUB\lghub.exe or C:\Program Files (x86)\LGHUB\lghub.exe. Any lghub.exe elsewhere is suspicious.
- Digital Signature:: Right-click the file in Explorer → Properties → Digital Signatures. Should show "Logitech, Inc." as the signer.
- Resource Usage:: Normal usage is 1-15% CPU and 60-180 MB RAM. Consistently high usage outside active Logitech device control is suspicious.
- Behavior:: LG Hub should run when you use Logitech devices or when the system starts. Unprompted background activity with no devices connected can indicate malware.
Red Flags: If lghub.exe is located in unusual folders (like Temp or AppData), runs when you have no Logitech devices connected, has no digital signature, or uses persistent high resources, scan with reputable antivirus software. Be wary of similarly-named files like "logiapp.exe".
Why Is lghub.exe Running on My PC?
LG Hub runs when you open Logitech G Hub or when it manages connected devices, lighting profiles, macros, or cloud sync. It may also start at boot if configured to monitor device changes.
Reasons it's running:
- Active Peripheral Management: You're controlling devices or applying lighting profiles; each device module runs as a separate process
- Background Device Sync: LG Hub syncs device settings, profiles, and cloud data even when the app window is closed
- Startup Program: LG Hub is configured to launch automatically when Windows starts or a device is connected
- Lighting and Macro Engine Running: The lighting engine or macros execute in real time, keeping devices in sync with profiles
- Software Update Checks: LG Hub periodically checks for updates and feature modules, which may briefly spawn additional processes
Can I Disable or Remove lghub.exe?
Yes, you can disable lghub.exe. It's safe to close LG Hub when not in use, and you can uninstall it or stop startup if you prefer a different peripheral manager.
How to Stop lghub.exe
- End LG Hub from Task Manager: Ctrl+Shift+Esc → Processes tab → select lghub.exe and End Task
- Close LG Hub gracefully: Use File → Exit or the close button to shut down properly
- Prevent Startup: Task Manager → Startup tab → Disable Logitech G Hub
- Disable Background Features: Within LG Hub settings → General, toggle off startup on boot and background sync
- Stop Background Apps: In Windows, ensure no Logitech background services auto-start by visiting Services.msc and disabling related items
How to Uninstall LG Hub
- ✔ Windows Settings → Apps → Apps & Features → Logitech G Hub → Uninstall
- ✔ Control Panel → Programs → Uninstall a program → Logitech G Hub → Uninstall
- ✔ If you still see device configuration files, delete the LGHUB folder in C:\Program Files and any residual AppData folders
- ✔ Restart your PC and reinstall a preferred peripheral manager if needed
Common Problems: High CPU or Memory Usage
If lghub.exe is consuming excessive resources, try targeted actions to identify culprits and reduce overhead.
Common Causes & Solutions
- Large device count or many active profiles: Disconnect unused devices and reduce active profiles; update to latest firmware via LG Hub
- Background Sync or cloud data: Disable or limit cloud syncing in settings; sign out and back in after updating
- Outdated LG Hub version: Update LG Hub to the latest version from logitech.com/software
- Conflicting lighting effects: Disable or simplify lighting profiles; check for loops in macros
- Driver or USB issue: Update device drivers; try different USB ports; reconnect devices
- Antivirus or security software interference: Add LG Hub to allowed apps; temporarily disable scanning for LG Hub folder during testing
Quick Fixes:
1. Quick Fixes:
2. 1. Open Task Manager (Ctrl+Shift+Esc) and identify high-usage processes related to LG Hub
3. Update LG Hub to the latest version from the official site
4. Disable unnecessary lighting profiles or device integrations
5. Disable startup: Task Manager → Startup → Logitech G Hub → Disable
6. Run a clean reinstall if issues persist
Frequently Asked Questions
Is lghub.exe a virus?
No, the legitimate lghub.exe from Logitech is not a virus. However, always verify the file location: C:\Program Files\LGHUB\lghub.exe and the digital signature from Logitech.
Why is lghub.exe using CPU in the background?
Background device management, lighting, and profile syncing can run as background tasks. Use Task Manager to identify which module is active and adjust settings or disable startup if needed.
Can I disable lghub.exe at startup?
Yes. Disable Logitech G Hub from Task Manager → Startup to prevent it from launching on login.
How do I uninstall LG Hub?
Use Windows Settings → Apps → Apps & Features → Logitech G Hub → Uninstall, or Control Panel → Programs → Uninstall a program → Logitech G Hub.
What should I do if lghub.exe crashes?
Check for updates, run LG Hub repair if available, disconnect/reconnect devices, and reinstall if the crash persists.
Where is lghub.exe located on Windows?
Most installations place it at C:\Program Files\LGHUB\lghub.exe; alternatives include C:\Program Files (x86)\LGHUB\lghub.exe.