Go ahead and post a screenshot of CCleaner showing where the old user name is still at to see if anything may stand out. Be sure to blank out part of...
@Home: 4 disks that results in ~4.3 TB. of usable space.
@Work: Western Digital WD10EARS (1 TB.)
PSU:
@Home: Topower 650W / @Work: Shark Net 600W
Case:
@Home: Euro Case Generic / @Work: Banghó Extrema
Keyboard:
@Home: Genius (Spa) / @Work: Noga Net (Spa)
Mouse:
@Home: HP Laser 2.4G Xa965 / @Work: Genius Optical generic
Internet Speed:
@Home/Work: Fibertel 7Mbps/512kbps
Antivirus:
@Home/Work: Windows Defender+Spybot 2+AdwCleaner
Browser:
@Home/Work: Google Chrome (Dev)+Mozilla Firefox (Aurora)
Other Info:
@Home:
Microsoft Xbox 360 wireless gamepad+USB receiver.
Microsoft Xbox 360 wired gamepad.
Logitech C910 Full HD webcam.
Generic 5.1 analog Home Theater.