1. Make sure all your drivers are up to date and you have installed all the latest critical updates from Windows update. 2. Enter the BIOS at startup and look for a hardware monitor or PC health status screen. Please report your temps, fan speeds and voltages (+3.3, +5 and +12V) from there. 3. Enter the device manager (start => run => devmgmt.msc), go to view => show hidden devices. Report if there are any flagged devices in the list. Check the Event Viewer for errors happening at the time of the crashes : Start> Run> type in eventvwr Please review this: The system memory that is reported in the System Information dialog box in Windows Vista is less than you expect if 4 GB of RAM is installed: http://support.microsoft.com/kb/929605 Note the requirements for 4GB of memory We also have another user with the same problem currently trying to resolve. Please see this: • Run HijackThis • Click on the System Scan Only button • Put a check beside all of the items listed below (if present): • Close all open windows and browsers/email, etc... • Click on the "Fix Checked" button • When completed, close the application. Boot into Safe Mode: Start> Run> msconfig> enter> Selective Startup> Startup menu> UNCHECK the following: Any entries noted to be associated with launcher.exe as mentioned above. Any entries related to Viewpoint Start> Run> services.msc> double click on Viewpoint Service> change Startup type to Disabled. Control Panel> Add/Remove Programs> UNINSTALL: any Viewpoint entries Tools> Manage Add-on> find the System requirement add-on and highlight (may be sysreqlab)> Disable. Reboot into Normal Mode: NOTE: the first boot after making changes on Startup brings up as nag message- you can ignore this and close after checking 'don't show this message again.' Stay in Selective Startup ***System Requirements Lab ActiveX Control Code Execution Vulnerability: http://secunia.com/Advisories/32236/ Take it off of startup and disable the Active X component until you get it patched. *****Note: launcher.exe is an executable belonging to many applications including Webshots- a Windows desktop downloader, Uinterface Mouselaunch- a file and application initiator, and also a hardware interface for Samsung products. Pre-loaded on HP Vista systems. launcher.exe is an advertising program by Intercort Systems. This process monitors your browsing habits and distributes the data back to the author's servers for analysis. This also prompts advertising popups. This process is a security risk and should be removed from your system. Please up and rescan with HijackThis when finished and attach new log.