MCSE : Security Specialist
Dr. Watson
Windows 98 drwatson.exe
To
start Dr. Watson On the Start menu, click Run, and then type
Drwatson. Click OK or Click Start, point to Programs, Accessories,
and System Tools, and then click System Information. Select the
Tools menu and click Dr. Watson
Dr.
Watson collects detailed information about the state of your system
at the time of and slightly before an application fault. Dr. Watson
intercepts the software faults, identifying the software that
faulted and offering a detailed description of the cause. When
enabled, this tool automatically logs this information to the disk
(\Windows\Drwatson\*.wlg), and can display it on screen. Dr. Watson
indicates the program that caused the application fault, the program
the fault occurred in, and the memory address at which the fault
occurred.
Windows 2000 drwtsn32.exe
If a
program error occurs, Dr. Watson will start automatically. To start
Dr. Watson, click Start, click Run, and then type drwtsn32. To start
Dr. Watson from a command prompt, change to the root directory, and
then type drwtsn32.
Dr.
Watson for Windows 2000 is a program error debugger. The information
obtained and logged by Dr. Watson is to diagnose a program error for
a computer running Windows 2000. A text file (Drwtsn32.log) is
created whenever an error is detected. You also have the option of
creating a crash dump file, which is a binary file that a programmer
can load into a debugger.
Failure to start GUI
Explorer.exe could be missing or corrupted
Windows Protection Errors
General protection errors
Is
caused when a program tries to access a portion of memory that is
has not been allocated by Windows or is already being used by
another program or TSR. When this happens the screen turns blue with
the GPF error message.
Solutions
-
Run scandisk / defrag
-
Remove any TSRs or programs which were running before the GPF.
-
Remove and reinstall the program that caused the GPF.
-
Disable power management and screen savers
-
If you frequently receive GPF errors from different programs you
may have to reinstall windows
Invalid Page Fault
Is
caused when Windows or a program attempts to store or call a segment
or block of memory that does not exist. This could happen because of
bad memory or the program is incompatible or corrupt
Illegal Operation
Is an
operation requested, which is not understood by Windows or the CPU.
Illegal Operations can be caused by
-
Corrupt files
-
Bad Memory
-
Data that can not be read properly
-
Incorrect Drivers
-
TSRs
-
Bad hard drive sectors
Invalid page faults
Are
generally caused by program incompatibility, overheating such as the
CPU cooling fan not operating or other hardware / software issues
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