Windows 7 Activated with CMD

Cmd Open Administrator
Type "slmgr /ipk Enter
slmgr /ato Enter
slmgr -rearm Enter
Restart System

mcafee updaterhttp://www.mcafee.com/apps/downloads/security-updates/security-updates.aspx

samsung

http://www.softpedia.com/progDownload/Kies-Download-172075.html

PEN DRIVE HIDE FOLDERS

CLICK ON START SELECT RUN->cmd (COMMAND PROMPT)

change to the pendrive drive, i.e. g:

type "dir/ah"

if u see something like autorun.inf, xysy.cmd, lslsls.exe then u got virus

also can manually remove them:

type "attrib -s -h *.*"

then manually delete those viruses.

avira antivirus download

http://www.avira.com/en/avira-free-antivirus

Kaspersky Internet Security 2011

http://download.cnet.com/Kaspersky-Internet-Security/3000-18510_4-10012072.html

Hardware material download

http://www.topshareware.com/computer-hardware-study-material/downloads/1.htm