System32 Drivers Bfadi.sys Jun 2026

Users typically encounter this file when Windows fails to boot or crashes with a stop code. Common errors include: BSOD 0xc0000221:

The .sys extension indicates that this is a system file, specifically a . Drivers act as translators between the Windows operating system and specific hardware or software components.

Based on extensive analysis of driver signatures and user reports across tech forums, bfadi.sys is most commonly attributed to two sources: system32 drivers bfadi.sys

while troubleshooting a Blue Screen of Death (BSOD) or browsing your C:\Windows\System32\drivers

Infection that targets or replaces critical system files. Recommended Troubleshooting Steps Users typically encounter this file when Windows fails

You installed a BenQ monitor driver package, a projector utility, or a device management tool. bfadi.sys is the kernel-level driver layer that allows that BenQ software to communicate with the hardware.

Never delete a .sys file directly from the drivers folder unless you are in Safe Mode and know exactly what you are doing. Incorrect deletion can make your system unbootable. Based on extensive analysis of driver signatures and

Because bfadi.sys (if from Paragon) hooks into storage drivers, it can conflict with: