> For the complete documentation index, see [llms.txt](https://cheesehubvip.gitbook.io/penguinby-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cheesehubvip.gitbook.io/penguinby-docs/predator-cs2/internal-public-server-error.md).

# Internal public server error

Solution: Traffic is being blocked by something (Anti-cheat, Anti-virus, Firewall, Internet provider):

* Fully delete anti-virus + other anti-cheats - sometimes disabling it is not enough, it requires full uninstallation