Error: Debugging Isn't Possible Because a Kernel Debugger is Enabled on the System
When debugging managed code, you may get the following error message:
Debugging isn't possible because a kernel debugger is enabled on the system
This message occurs when you try to debug managed code on a system that is running Windows NT, Windows 2000, Windows XP, or Windows Vista that has been started in debug mode.
To fix this problem
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Disable kernel debugging and debug in Visual Studio.
—or—
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Debug using the Kernel Debugger instead of Visual Studio.
—or—
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In the Kernel Debugger, disable user-mode exceptions.
To disable kernel debugging
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Locate boot.ini on your System drive (usually C:\). The boot.ini file may be hidden and read-only. You will have to type the following command to see it:
dir /ASH
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Open boot.ini by using Notepad and remove the following options:
/debug /debugport /baudrate
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Reboot the computer.
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Restart Visual Studio and debug.
To debug with the Kernel Debugger
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If the Kernel Debugger is hooked up, you will see a message asking if you want to continue to debug. Click the button to continue.
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You may get a User break exception(Int 3) If this occurs, type the following Kernel Debugger command to continue to debug:
gn
