Category: <b>virus/antivirus</b>
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<pre><b>INT 21 - VIRUS - "Plastique"/"AntiCad" - INSTALLATION CHECK</b>

	AX = 4B40h
Return: AX = 5678h if resident
SeeAlso: AX=4B25h,AX=4B41h,AX=4B4Ah
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