XDevStudio

It doesn't appear to be RAGENativeUI. If it were, LSPDFR wouldn't start at all or would crash on load.
Based on what you've said and what the log shows, it's almost certainly a plugin or callout with duplicate calls. Try leaving only LSPD First Response.dll and RAGENativeUI.dll, and then add the plugins one by one until it fails.

It doesn't appear to be RAGENativeUI. If it were, LSPDFR wouldn't start at all or would crash on load.
Based on what you've said and what the log shows, it's almost certainly a plugin or callout with duplicate calls. Try leaving only LSPD First Response.dll and RAGENativeUI.dll, and then add the plugins one by one until it fails.

It doesn't appear to be RAGENativeUI. If it were, LSPDFR wouldn't start at all or would crash on load.
Based on what you've said and what the log shows, it's almost certainly a plugin or callout with duplicate calls. Try leaving only LSPD First Response.dll and RAGENativeUI.dll, and then add the plugins one by one until it fails.

Check your RagePluginHook.log file; the problem isn't the game, it's a plugin.
You have many duplicate callouts, which causes LSPDFR to throw an unhandled exception when going on duty.
It also appears that LML is failing on startup.
Try this:
In GTA V/plugins, leave only LSPD First Response.dll and RAGENativeUI.dll.
Move all the callouts to another folder.
Start the game and go on duty without any callouts.
If it doesn't crash, add the callouts back one by one until it crashes.
The last one you add is the one that's causing the problem.

@XDevStudio I've checked LSPDFR without any other plugins, arrest works normally, unless it is in a pursuit. Second thing is that when I arrest a suspect outside of a pursuit, I manage to arrest them, but they die.

If you can, please send me your ragepluginhook.log file, which would look like this.<font dir="auto" style="vertical-align: inherit;"><font dir="auto" style="vertical-align: inherit;">Registro del complemento RagePluginHook</font></font>
That would help us find out a little more.

Well, I only know that and I don't really understand the rest. Dude, I don't know how to edit that either.

The solution would be to test it without conflicts. Leave Policing Redefined with its DamageTracker and disable Better Hit Reactions, because both affect the ped's state and often conflict during arrests. This causes LSPDFR to freeze even though the game remains open.
Also, make sure you have RageNativeUI updated, as older versions cause many problems. Then try several arrests in a row and see if the problem persists.
If it works fine after that, you've identified the source of the freeze.

That's not a mistake. EUP Backup Config and Policing Redefined don't replace the uniforms on their own; they only use what's specified in the LSPDFR XML files.
Even if you install RCMP or Vancouver, if the XML files still point to vanilla, the game will always load vanilla.
To actually use EUP, you have to edit the LSPDFR outfits.xml files and put the EUP outfits there. If you don't touch those files, they'll never be used.
So, you have it installed correctly, but you still need to tell the game which outfits to use.

FIXED. Had to change directx version in settings.xml from 0 to 2.

Yes, I understand. GTA isn't closing; it's LSPDFR that's freezing. Even so, it usually happens because of a conflicting plugin. When you arrest someone, one of them malfunctions and causes LSPDFR to crash even though the game is still running.
That's why I suggested trying it without DLS, Better Hit Reactions, or SimpleEmotes to see if that fixes the problem.

That's not a bug. In the LSPDFR character creator, hair depends on the ped model you're using.
If it's a ped that doesn't support hair variations (or a non-MP ped), the game won't let you change it, and the character will remain bald.
Try using an MP ped (mp_m_freemode_01 / mp_f_freemode_01) or an EUP-compatible model.
With other standard peds, hair is locked and cannot be changed.

After testing everything I added, I decided not to create a new mod folder right away because I wanted to actually find the source of the problem first. My goal was to figure it out properly so this information could hopefully help someone else in the future.
The issue turns out to be within vehicleaihandlinginfo.meta. To fix it, you need to delete that file and replace it with a fresh one from:
common.rpf > data > ai
Once I did that, the problem was resolved.

This has affected me too, mostly back when I wasn't a professional. I was constantly searching for alternatives. Until I found the solution, and I'm going to share it here so you can fix the problem. It's very simple: what was causing the issue with LSPDFR was the antivirus protection, regardless of the antivirus software. You might be wondering, "Why does this happen?" Well, the comment itself tells you that when you install LSPDFR, it flags it as a false positive, which is why the screen would freeze and the game would crash. To play it, disable your antivirus, and it will no longer flag it as a false positive. If you liked this, let me know, and also if it helped you. See you soon!