Computer very, very slow.

Scan result of Farbar Recovery Scan Tool (FRST.txt) (x64) Version: 24-04-2015
Ran by gary (administrator) on GARY-PC on 25-04-2015 22:47:40
Running from C:\Users\gary\Downloads
Loaded Profiles: gary (Available profiles: gary)
Platform: Windows 7 Home Premium Service Pack 1 (X64) OS Language: English (United States)
Internet Explorer Version 11 (Default browser: FF)
Boot Mode: Safe Mode (with Networking)
Tutorial for Farbar Recovery Scan Tool:...

Computer very, very slow.