When it asks for trayapp then load the HP printer cd. Let it install again.
Reboot to see if the message is gone. To uninstall use its own uninstaller and remove the usb connection only when prompted.
This thread is now locked and can not be replied to.
Windows 10 Home vs Windows 10 Pro comparison: Here are the extra features you get in the Pro version
Why Formula-e needs to go faster
How Instagram spots trends
How to use Apple Music in the UK: Complete guide to Apple Music's features