3. Click the program that is no longer responding.4. Click End Task.Check the software documentation —If necessary, uninstall and then reinstall the program.A program is designed for an earlier Microsoft® Windows® operating systemRun the Program Compatibility Wizard —The Program Compatibility Wizard configures a program so it runs in an environment similar to non-Windows operating system environments.1. Click Start® All Programs® Accessories® Program Compatibility Wizard® Next.2. Follow the instructions on the screen.A solid blue screen appearsTurn the computer off —If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 secondsuntil the computer turns off. Then restart your computer.Other software problemsCheck the software documentation or contact the software manufacturer for troubleshooting information —l Ensure that the program is compatible with the operating system installed on your computer.l Ensure that your computer meets the minimum hardware requirements needed to run the software. See the software documentation for information.l Ensure that the program is installed and configured properly.l Verify that the device drivers do not conflict with the program.l If necessary, uninstall and then reinstall the program.Back up your files immediately.Use a virus-scanning program to check the hard drive, floppy disks, or CDs.Save and close any open files or programs and shut down your computer through the Start menu.Scan the computer for spyware —If you are experiencing slow computer performance, you frequently receive pop-up advertisements, or you are having problems connecting to the Internet,your computer might be infected with spyware. Use an anti-virus program that includes anti-spyware protection (your program may require an upgrade) toscan the computer and remove spyware. For more information, go to support.dell.com and search for the keyword spyware.Run the Dell Diagnostics —See Dell Diagnostics. If all tests run successfully, the error condition is related to a software problem.Memory ProblemsFill out the Diagnostics Checklist (see Diagnostics Checklist) as you complete these checks.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.