Personal Security is a rogue anti-spyware program that will trick you with fake infections and tell you to download a program to remove these infections. This program came to your computer as a malware and terminate the security program that protects your computer. This program automatically starts along with your windows. This program usually infect Internet Explorer so you can use Firefox while IE is infected. If your IE is of older version, update to a newer version as these newer version solved such problems.
First step to is to remove the program (Personal Security) in your Add or Remove programs in your control panel.
Second is search for the following files and delete
c:\Program Files\PSecurity
c:\Program Files\PSecurity\psecurity.exe
C:\Program Files\PersonalSec
C:\Program Files\PersonalSec\psecurity.exe
C:\program files\PersSecurity\
C:\program files\PersSecurity\psecurity.exe
C:\program files\PersSecurity\system.dat
c:\Program Files\Common Files\PSecurityUninstall
c:\Program Files\Common Files\PSecurityUninstall\Uninstall.lnk
c:\WINDOWS\system32\win32extension.dll
c:\Documents and Settings\All Users\Start Menu\PSecurity
c:\Documents and Settings\All Users\Start Menu\PSecurity\Computer Scan.lnk
c:\Documents and Settings\All Users\Start Menu\PSecurity\Help.lnk
c:\Documents and Settings\All Users\Start Menu\PSecurity\Personal Security.lnk
c:\Documents and Settings\All Users\Start Menu\PSecurity\Registration.lnk
c:\Documents and Settings\All Users\Start Menu\PSecurity\Security Center.lnk
c:\Documents and Settings\All Users\Start Menu\PSecurity\Settings.lnk
c:\Documents and Settings\All Users\Start Menu\PSecurity\Update.lnk
%UserProfile%\Application Data\Microsoft\Internet Explorer\Quick Launch\PSecurity.lnk
%UserProfile%\Desktop\Personal Security.lnk
Third is look for this information inside Windows Registry: (If you have no experience using windows Registry (regedit), have someone who know do this.)
HKEY_CLASSES_ROOT\CLSID\{35A5B43B-CB8A-49CA-A9F4-D3B308D2E3CC}
HKEY_LOCAL_MACHINE\SOFTWARE\5FFB10D58FFCF482208906E6A889FD56
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "PSecurity"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "PersonalSec"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "PersSecurity"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\post platform "WinTSI 01.12.2009"
Lastly, updates your windows regularly as this patches all possible entry of malware and spyware that can enter your system.
