You have not given enough information to allow a guess at the problem. What computer are you using, Hard disk size, Operating System XP or ???. How much free space on your hard disk etc etc.
Have you had look at this forum click here
Surface Pro 5 News - release date, UK price, features, specs
Gear VR vs. Daydream: Which delivers the best VR experience?
iPad Pro 12.9 vs Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.