Think this thread should be in helproom but never mind. What is your cpu usage on Taskmanager? Does Kaspersky pop-up or give you any details, errors?
Have you updated it and ran a full scan of your system incase it's the viruses?
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.