What OS and protection softwares are you running? Have you tried checking your Print Spooler status on component services? To check this, go to Start on Win XP, click Run and type services.msc,hit enter. For Vista and Win 7, click Start and type services.msc hit enter on the search programs and files box and look for your Print spooler status (Automatic, Manual, Disable). To toggle status/startup type, double-click Print spooler and click down arrow key to change startup type to automatic or manual and click Apply. Reboot PC and check the difference.