Help with fixin Anti Virus problems!!

[wgreen584]

Hey y'all, Billy here, and I am a newbie but here's my particulars as best that I know them.
Using Win XP Ver 5.1
Custom puter, (step dad built)
Not sure of my speed, memory and all of that
My problem is as follows: I'm a firefighter/medic, so I'm gone a lot. Yesterday, the wife says she "can't get online, do bills or anything sue to excessive pop ups and some Anti Virus crap." I told her to DC from internet, and shut it down. Usually, I am pretty good at stumbling my way into fixing these types of problems, but not this one. Upon booting up puter, I got several messages. 1st was something regarding Shockwave flash VS.3 . The next is Trojan.win32.Agent..a254
. Then a new icon showed up on the desk top. So after on line searching, I was told to remove the antivir software and install drive sentry. Then when i tried getting on the Internet, I received a page saying this page is blocked. The icon that was new on the desk top and the tool bar, was for Personal Anti Virus, or pav.exe
. Tried to figure out what this program was and did. It was apparently downloaded by the wife the day before, accidentally, she swears that she didn't dl anything. So I tried to uninstall this "new" antivirus software to no avail. Using my blackberry, I did some research, to find that the pav.exe is linked to AntiVir, and to remove that program and dl a different one. Went to remove software, hit remove, required reboot to take affect, and bammm!! It's still there, and I keep getting this message, "Setup could not determine the feature control file or was not able to read it correctly"! I cannot dl a better antivirus.  now! So I go to last good start up, dated 2 days before when I knew there were no problems, rebooted with that date, and internet explorer problems are gone, but still have AntiVir and can't get rid of it to dl a better one!!!
Help me please!!!!!!!

Thank you,
BG

Wow that was too long!   

[harry 48]

http://www.computerhope.com/forum/index.php/topic,46313.0.html

go to above and post the 3 logs an expert will see them , harry

[wgreen584]

Sorry, I don't understand. What 3 logs are you talking about?

[wgreen584]

Harry,
I have Service pack 3. This much I understood. Do I need to keep following the instructions?
Thanks for the reply!

[wgreen584]

Just read the bumping. Everyone will have to understand that I am very new at this.
I cannot down load another Anti Virus software. I had AntiVir, but was told to remove it. I tried to remove it, but can't. And I can't use it either. I keep getting this message: Set up could not determine the feature control file or was not able to read it correctly" .
I was trying to download "Drive Sentry" because I was told it worked very well. And due to the AntiVir software still being on my pc, and the fact that I cannot remove it, or use it for that matter, I am stuck with NO anti virus software!

And thank you very much to the Experts that are taking if their time to help me! I really appreciate it!!

[sanmil0963]

If you follow the link that harry 48 suggested and follow those instructions, ea of the programs will give you a log. They need this to see what is effecting your computer in order to help you remove the virus. It's time comsuming and frustrating, but it will help.

[wgreen584]

Ok, I've done all of it. I'm exhausted and going to crash for a while. I attached the logs as requested. I hope that we a re getting close. Thanks again everyone!
BG

[attachment deleted by admin]

[harry 48]

ok wgreen 584, i'm only here to help you , an expert will look at them and you will here from him , harry