Hello and welcome to the forum.
You need to share some specs on your machine, in as much detail as possible, so perhaps someone with a similar setup might be able to provide some suggestions.
IN the mean time clean boot the system and see if that helps......
https://support.microsoft.com/en-us/kb/929135
Easily done, easily undone.
Basically you're just disabling all the Startup Items and All
non-Microsoft services.
Be sure to check the box to hide Microsoft Services, as you don't want to accidentally disable any of those.