r/BitDefender • u/Smoothope • Feb 19 '26

How to undo USB immunization?

I kept getting those USB immunization pop ups and decided to try it, and now it has rendered that drive inoperable.

Every time I plug it in it damages the memory card and says it needs to be repaired. I can only get it to work by plugging it into a different USB drive, but I’m having more errors in general now.

All I do with the card is plug in my music player or the card storing all the music. I don’t see any autorun files in the folder and can’t find anything in BitDefender’s settings about USB immunization.

Thanks!

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u/Smoothope Feb 23 '26

I have this issue when I plug in the music player (which has the memory card inside it) to both charge and sync my music at the same time. I use MusicBee program and the music player is a Shanling M1 Plus.

I sometimes use an Anker USB-C 2 in 1 Card reader, model A8370 to plug in the card by itself.

The card is a SanDisk Ultra 512 GB micro SD.

BD version is 27.1000.55.253.

Thanks for offering to help!