: Most commonly, your antivirus software (like Windows Defender) mistakenly flags the file as a threat and quarantines or deletes it. Corrupted Installation
It turns out Alex’s antivirus software was the real Umbrella Corporation. It saw the .dll file acting as a bridge, flagged it as a "suspicious hook," and quarantined it. To the antivirus, the file looked like an infection. To Alex, it was the only key to the city. The Resolution