You might need to uninstall/remove and try again.
Here's an old EA forum posting with the steps laid out, it's written for BF3 but its essentially the same for BF4.
https://forums.ea.com/discussions/battlefield-franchise-discussion-en/faqupdating-punkbuster/5932561
Whenever I have PB problems...
Who are you reporting? crosseyed1974
Date of incident Dec 16, 2024
Which server were you on? BZ1
Describe the incident Politics.
This knob won't shut it.
Who are you reporting? wabbit101
Date of incident Dec 1, 2024
Which server were you on? BZ1
Describe the incident Griefing.
Guy was hanging out in spawn with a tank barking orders at ppl not intending to do anything with the vehicle.
Who are you reporting? ImperialJapan02
Date of incident Oct 2, 2024
Which server were you on? BZ1
Describe the incident Guy was spawning in helicopters to kill the drivers multiple times. Then when players tried to report him the fuzzy search didn't pick up the name for some reason.
Who are you reporting? TheHuntzer / Phuzzyl0gic / Phantom6063
Date of incident Sep 3, 2024
Which server were you on? BZ1
Describe the incident 1st vid:
Accidentally ran over TheHuntzer in my vehicle, said sorry in squad chat and vc, spawns on me and kills our LAV then throws full-on...
Children today won't know the sacrifices made during the !Deport Wars.
A fair peace treaty was agreed upon trading !deport for Pregnant Man but BZ lost 2 great Generals and we lost Pterodactylwhoa.
Maybe I'm playing too much Civ 6...