You should be ok. If it needs the second it should come up and tell you anyway. However there are 2 on my computer. You could try disabling one first rather than deleting it. I am assuming you are using windows xp although you failed to mention it.
Hands-on: Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
Samsung's beautifully designed Galaxy S8 makes for better VR experiences too
47 iPhone camera tips to help you take better photos
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.