How i can prevent my PC from Keyloggers ?

How i can prevent my PC from Keyloggers ?

How i can detect them and how i can know that a hacker sent me a keylogger or how to find it and delete it ?

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Ans :  Go to the site below and download adaware se personal edition. It should find the key logger files and delete them. This will of course make the keylogger unfunctional and your dad might figure out that it was made that way with that program but you can blame it on using it to get rid of spyware and spam. All else fails, fight fire with fire... get a keylogger yourself and install it on the computer. Use it to figure out his password for his keylogger and go in and delete the files yourself.

 Don't Panic

1st) Take the keyboard cable out from the back of your computer and make sure there are not "extra connectors" on the end of it. The keyboard should have a single cable with no removeable bit on the end and it should plug directly into a port on the back of the computer box. Hardware keylogger.

2nd) Software keylogger. This may be much harder to detect as it would be an installed program on the computer (but it might be hidden). You would fist look in the add/remove programs to see if anything has been installed that can monitor keystrokes.. (ie, a macro wizard/creator would count)...

Also a place to look would be running processes/services and running programs at startup.

For startup... Start >> Run >> type msconfig >> hit enter>> Start tab >> look for entries and google them if you do not know what they are.. uncheck the box to keep them from starting up at the next reboot.. and hunt down program to get rid of it...

Sevices tab is next to startup tab (but if you need to edit services look in Start > Programs > Administrative Tools > Services it a better interface to edit)

For Processes that are running hit ctrl+alt+del (only once) and when the login applet comes up click on middle bottom tab "Task manager..." >> Processes tab >> if you click on the "application name" grey panel it will sort them alphabetically...
To stop a process... find the process, highlight, click end process (make sure it stops and doesn't restart! then hunt down the bugger and uninstall it)

NOTE: There are many ways someone with access to your computer could get information about where you've been and what you're saying without these tools.. they are very uncommon... most likely they have your passwords and know how to access your internet history.
I recommend setting new passwords (good strong passwords are at least 8 characters long and use a combination of UPPERCASE, lowercase, numb3rs, and speci@l ch@racters) on all programs and having at least 3 levels pf paswords.. one for throwaway internet stuff, one for email, a high security one for banking...

I suggest you set up your computer with a BIOS password which is set in the BIOS which is a place on the computer before it ever gets to windows.
Set a windows login /password that is yours along. If he shouldn't be on the computer at all.. disable his account! and remove his administrative rights!
Set a screensaver up to require a password.

etc...

You might also install an encryption program like PGP which will encrypt data, secure wipe data, etc.. and I have a tool that I type into securely that a keylogger will not see...

Good luck.