G HUB Service restart guide
This guide focuses on G HUB problems when the application becomes unresponsive during startup, displaying a continuously spinning logo.
On Windows
G HUB uses a service to perform important operations. Sometimes, that service can get stuck and as a result G HUB presents a spinning G Logo.
Step 1: Close G HUB completely
- Right-click the G HUB icon in your system tray (bottom-right corner of screen)
- Select "Quit" from the menu
- Verify closure: Ensure the G HUB window is completely closed
Step 2: Access the Task Manager
- Press Ctrl + Alt + Del and select "Task Manager"
- Alternative: Press Ctrl + Shift + Esc for direct access
- If you see a simplified view, click "More details" at the bottom
Step 3: End G HUB Processes
- Click the "Processes" tab
- Look for these processes and end them in this order:
- "LGHUB Agent" → Right-click → "End task"
- "LGHUB" → Right-click → "End task" (all of them)
- Note: Leave "LGHUB Updater" running
Step 4: Restart G HUB Service
- Click the "Services" tab in Task Manager
- Locate "LGHUBUpdaterService"
- Right-click → Select "Restart"
- Wait 10-15 seconds until the Status shows "Running"
Step 5: Launch G HUB
Open G HUB through:
- Start Menu → Search "G HUB"
- Desktop shortcut (if available)
- System tray (if icon reappears)
If the Issue Persists
Option 1: System Reboot
A full computer restart often resolves service issues.
Option 2: Advanced Troubleshooting
If you're using an administrator account and the problem continues, refer to our G HUB Advanced Troubleshooting guide.
On macOS
Step 1: Close G HUB Completely
- Right-click the G HUB icon in your menu bar (top-right corner of screen)
- Select "Quit G HUB" from the dropdown menu
- Alternative: Press Cmd + Q while G HUB is active
- Verify closure: Ensure all G HUB windows are completely closed
Step 2: Access Activity Monitor
- Press Cmd + Space to open Spotlight, then type "Activity Monitor"
- Alternative: Applications → Utilities → Activity Monitor
Step 3: End G HUB Processes
- In Activity Monitor, click the "CPU" tab
- Use the search box (top-right) to filter by "G HUB"
- Look for these processes and quit them in this order:
- "Logitech G HUB Agent" → Select → Click "Force Quit" (X button)
- "Logitech G HUB" → Select → Click "Force Quit" (X button)
Step 4: Restart G HUB Service
Since macOS handles services differently, we'll restart through the system:
- Open Terminal: Press Cmd + Space, type "Terminal", press Enter
- Kill remaining processes (if any): sudo pkill -f lghub
- Enter your password when prompted
- Wait 10-15 seconds for processes to fully terminate
Step 5: Launch G HUB
Open G HUB through:
-
- Applications folder → Logitech G HUB
- Spotlight Search: Press Cmd + Space → Type "G HUB"
- Launchpad → Look for G HUB icon
If the Issue Persists
Option 1: System Restart
A full Mac restart often resolves service issues and clears system caches.
Option 2: Advanced Troubleshooting
If you have administrator privileges and the problem continues, refer to our Advanced Troubleshooting guide.
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