have you checked your startup folder, much of the time a lot of the programs will be in there, if you remove the short cut from there this will stop the programs from start up when you power on.
This may not get rid of them all...!
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation techniques
How to mine Bitcoin on Mac
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.