| Symptom | Possible Cause | Solution | |---------|----------------|----------| | Missing icons | Explorer crash or app not registered | Restart explorer.exe | | Icons not responding | App background service hung | Restart the associated app | | Overflow arrow missing | Taskbar settings misconfigured | Settings → Taskbar → "Select which icons appear" | | Historical stale icons | Corrupt icon cache | Clear IconStreams registry key (reboot required) |
: To prevent clutter, Windows uses an "up-arrow" icon to hide less critical icons. Users can easily drag and drop icons between the visible tray and this overflow area for quick organization. windows task tray
