Why has my pc started going extremely slow?

Error_1

Commendable
Sep 13, 2016
8
0
1,510
Out of no where my computer has been going slow as heck, I'm getting 30 fps max in csgo on low settings.

oh yea, it takes about 2 minutes for the list to pop up on desktop after right click and can barely use facebook or anything, no I don't have any viruses

specs
GTX1070
i7-6700k 4.4 Ghz
32gb ddr4