It seems like you are encountering a specific issue with printing from map programs like Google Maps and Mapquest on your Windows 7 Ultimate system after having upgraded from Vista Home Premium. This issue appears to be related to the printer selection disappearing after the first or second print job, requiring a computer reboot to restore the printers. Here are a few steps you can take to troubleshoot and potentially resolve the issue: 1. Check Printer Settings: - Make sure that the default printer is correctly set in the Windows settings and within the map programs themselves. Sometimes, programs can have different default printers set. 2. Update Printer Drivers: - Ensure that you have the latest printer drivers installed...