GTA V current, up to date
Legit steam copy
Did you try to delete caches.xml and try again?
What did you do to get this issue?
What server did you get this issue on?
.dmp files/report IDs
If an issue with starting:
GTA V/update/x64/dlcpacks screenshot
filepath to gta5 folder
C:\Program Files (x86)\Steam\SteamApps\common
FiveM folder is on the desktop
Did you try to disable/uninstall your Anti-virus? the antivirus software is out of date
Also add what you already tried so far.