Category: <b>virus/antivirus</b>
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<pre><b>INT 21 - VIRUS - "Plastique-2576"/"AntiCad-2576" - INSTALLATION CHECK</b>

	AX = 4B50h
Return: AX = 1234h if resident
SeeAlso: AX=4B4Dh,AX=4B53h,AX=4B60h
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