The “AGP ILLEGALLY REPROGRAMMED” BSOD (Blue Screen of Death) error is an indication of the unauthorized reprogramming of the Accelerated Graphics Port (AGP), and usually appears when there is a bug in the installed driver for a video device. It causes the computer to shutdown automatically, which results in the loss of unsaved data.

The appearance of this BSOD error may also be due to a corrupted or outdated driver, or the installation of a driver that is incompatible with the system. It may also be due to the installation of an untested or unsigned video driver, or a faulty application.

This BSOD error is also known as “AGP_ILLEGALLY_REPROGRAMMED” and “Windows STOP 0x00000106“. This fatal error or Stop message is shown on the screen immediately after system shutdown.

To fix the “AGP ILLEGALLY REPROGRAMMED” BSOD error, you have to check for the compatibility of the installed device driver with the model of the video adapter. You can employ a driver diagnostic kit that will provide you with a list of all installed driver, and then check for updates or newer versions from official download sites for video drivers such as Nvidia and Intel. Some kits provide tools that detect and fix driver errors, which you can employ to resolve this issue.

If you suspect that the error is due to a recently installed driver or application, you can fix this problem by uninstalling the program. To do this, you have to restart the computer and then select F8 from the menu that displays the choices for the operating system. This will allow you to access the Advanced Menu Options and the Last Known Configuration option. From the Last known Configuration option, you can select the driver or application to uninstall.

The “AGP ILLEGALLY REPROGRAMMED” BSOD error may also be due to a driver file that has been corrupted by malware. To fix this issue, uninstall this driver and replace by a version from the official download site. Install reliable antivirus software to prevent the recurrence of a similar problem.

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