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# Chapter Summary (2 of 3) * Tools for solving application errors and crashes are Programs and Features, tasklist, taskkill, Component Services, secondary logons, Compatibility mode, digital signatures, Data Sources, and Task Scheduler * Tools for solving problems with hardware are Device Manager,...

# Chapter Summary (2 of 3) * Tools for solving application errors and crashes are Programs and Features, tasklist, taskkill, Component Services, secondary logons, Compatibility mode, digital signatures, Data Sources, and Task Scheduler * Tools for solving problems with hardware are Device Manager, Print Management, the Display applet, DxDiag, Memory Diagnostics, chkdsk, and Disk Defragmenter * The commands taskkill and tasklist can be used to forcefully end an application that is hung * Task Manager can change the priority level to improve performance of an application * The Services console is used to change the way a background service is started * Use Component Services to solve the problem that causes an error message to appear for an unregistered component or missing DLL * When an application fails to uninstall, you might need to manually edit Windows registry using the Registry Editor