Answers:
While you ask this in wellbeing zone I assume you be going to for surety.
My oppinion here, you can find lots others.
Must enjoy on window XP(besides Anti-virus and anti-spyware and firewall)
A) SPYWARE BLASTER (A tool that protect your system for visit restricting sites. Such sites can download to your computer dialers, trojan and/or other malware a short time ago for call on them, and short your acquaintance.
(FREE, find it bellow)
http://www.javacoolsoftware.com/spywareb...
b)PC TOOLS Registry mechanic. (Tool that scan and correct errors in your registry. Very reliable and remarkably promptly. Health registry funds ,system run faster and smoother.) Download from here:
http://www.pctools.com/registry-mechanic...
(it's shareware though requirement to purchase it)
c) Security Process Explorer 1.5(Show to you within actual; time what running in your computrer,near info and substitute to "destroy a proccess"
http://www.download.com/security-process...
D) SPEEDFAN (FREE)
http://www.almico.com/sfdownload.php...
E) HijackThis! Scan and create report next to adjectives that run within your system. (The most powerful means of access to find trojan or ather spyware or malware, cover surrounded by your system).
http://www.trendsecure.com/portal/en-us/...
Also read FAQ and quide within past you use it.
Also must enjoy programs: SPYBOT S&D (FREE)
www.safer-networking.org