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Microsoft Windows comes with a utility called Dr. Watson. This utility is used to help detect, decode and log errors that are encountered while programs are running on the computer.
Dr.Watson intercepts the software faults, identifying the application that caused the fault and offering a detailed description of the cause (like the memory address at which the fault occurred).
Dr.Watson utility can be started just by typing "drwatson" in the Run box. In case of Windows 2000 & NT 'drwtsn32' should be used and for Windows XP the file 'Drwtsn32.exe' should be used. Dr.Watson is primarily used to find additional information on frequently occurring errors. Dr.Watson is loaded into the startup folder to enable the program to load each time the computer boots. An Icon on the toolbar will indicate that the utility is running in the background. 
