To simply hide the icon, set it to "Always Hide" in: Right click on the Start Button \ Properties \ Taskbar \ Customize \ under Current Items; select the icon and under Behaviour; select Always hide... click Apply and OK.
In case the problem reappears: The USB device malfunction can be attributed to two possible causes: USB drivers or the device itself. You can check the drivers in the Device Manager: Start \ My Computer; right click \ Manage \ Device Manager \ Universal Serial Bus Controllers... Expand it and check if any has a yellow question or exclamation mark icon... if so, update the driver and if not,
1. see if trying different usb devices makes a difference;
2. Use different USB ports,
3. different mouse or wireless adapter,
4. connect other USB dervice/s...
If no change, clean the registry with CCleaner, Glary Utilities or Tune Up Utilities. If the problem persists, it's possible your system has corrupted usb driver/s... Install "SlimDrivers" to see if it detects bad drivers and/or if it finds updates for them.