Sony Vaio PCV-RS322, XP Home Ed. Version 2 (no CD refubished computer), Svc Pk 3, Pentium 4 CPU, 2.8 GHZ, 2,79GHZ, 512 RAM, 512 Cache, 15 GB C-Drive, 100 GB D-Drive. I used the hard disk recovery tool wizard to copy computer system (lots of floppies) when I first purchased the computer as it instructed me to when it first started up in 2004. Had 2011 Norton 360 installed and up to date, computer ran slow but ok, purchased Norton 2012 Internet Security and Utilities after installing nothing but problems. Utilities said it found 4800+ errors (registry and dll's mostly). I said yes to fix, after installing Internet Sec. it found no problems. Next morning while registering product, I got 2 warning messages 1. System Infected Trojan ZeroAccess Rootkit Activity 4 and 2. System Infected TidServ Activity 2. I was asked if I would like to remove them by Norton through a 3rd party, I said yes. Computer became very slow 5 min to start up, 10 min to connect (I have Charter cable connection - fast), annoying Earthlink Pop-up Blocker trying to install but can not (error) everytime I click the mouse or to try to open a site (still does) also it continually re-directs on web sites and web pages coming up on their own. Computer would only operate in safe mode but still had many of the problems. Norton support has tried System Restore, shutting off all apps not necessary with system config. Uploading Norton's Bootable Recovery Disk, GEAR ISO burn, removing Norton from computer, Unlocker software, moving files to D-drive and erasing files in C-drive also ran chkdsk found 10 or less errors and 1 dot on partition disk scan but it removed itself by the end if the scan. Computer ran in normal mode but still very slow then they re-installed Norton and computer would only run in safe mode again. I gave up after 1 1/2 weeks & many hours a day working with Norton. Then my computer would not start up in normal mode (kept attempting but never could) so I ran it in safe mode. I contacted Norton they removed their software and did a chkdsk on some of it (limited by read only mode) and found pages of errors but can not remove or open volume. Now it will start in normal mode in 1.5 min and internet in 2 min but with all the other problems listed previously and the screen will not awaken after going in standby. How do I remove the errors on the hard disk? I am unemployed, short on money and I need a computer to find work to support my family, I look forward to your advice on computer fixes/upgrades and security software.