Hi, Long story short: My friend got a virus or a trojan or something nasty on his computer to the effect that he had to take it in to Best Buy to have them look at it and fix it. They did take care of it, or so he thought. To make matters worse, they had to reinstall WinXP and didn't bother backing up his hard drive, therefore 5 years of data went out the window. He bought NAV and installed that. The computer worked fine for a few weeks, but lately it's been acting up again. He can't get online, Corel Draw 11 won't work, NAV won't work,and he's getting error messages on startup and shutdown. His system specs: Dell P3 698 MHz 512 MB RAM XP Home Edition SP2 I don't think the tech guys at Best Buy told him that when they reinstalled XP, that SP2 was part of it. Startup Error messages: registration.exe - Unable to locate component WSOCK32.DLL msmsgs.exe - Unable to locate component WSOCK32.DLL Cfgwiz.exe - Unable to locate component WSOCK32.DLL ccApp:ccApp.exe - Unable to locate component WSOCK32.DLL (when I click on OK, the same box pops up 2 more times) ccApp.exe - Unable to locate component WSOCK32.DLL (when I click on OK, the same box pops up 8 more times) Norton Antivirus Error: NAV has encountered a interneal program error. Uninstall and reinstall NAV. 3030.25 Shutdown error message: When I try to shut down, a blue screen comes up with the following: A problem has been detected and Windows has been shut down to prevent damage to your computer IRQL_NOT_LESS_OR_EQUAL If this is the first time you've seen this Stop error screen. restart your computer. If this screen appears again, follow these steps: Check to make sure any new hardware or software is properly installed. If this is a new installation, ask your hardware or software manufacturer for any Windows updates you might need. If problems continue, disable or remove any newly installed hardware or software. Disable BIOS memory options such as caching or shadowing. If you need to us Safe mode to remove or disable components, restart your computer, press F8 tp select Advanced Startup Options, and then select Safe mode. Technical Info: *** Stop: 0x0000000A (0x000002DC, 0x000000FF, 0x00000000, 0x804E3B58) I would uninstall NAV, but since it's not my computer, I would rather wait and see what the experts say. If this belongs in the hardware section, please move it to there. It strikes me as more software than hardware. Thanks in advance for your help!