Trojan virus that is not detected by the antivirus program

I have a desktop hp pavilion a1600, OS is windows xp.  I was unable to open windows a few days earlier because of a "corrupted file".

I did a repair that allowed me to open the windows and go online, but programs were listed as still installed, but I have been unable to open one of them.  I uninstalled and reinstalled but still the programs did not properly. I ran programs antivirus, malware and spyware, but the computer still does not properly. I tried a download to see if it works and I was able to download, but impossible to run or save the file.  Therefore, I reformatted my computer (everything went anyway and tried to hook up to the internet, but now my modem will not yet configure.  I learned by my support for my modem (actiontec M1000) after 3 hours to try to do this I got a hack trojan virus that was undetectable by antivirus software.  Any suggeestions?

Did you install your Chipset, LAN (network), drivers etc. mailed under original down drivers ICI

Tags: HP Desktops

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