Error codes like NW-31194-8 or WS-37368-7 during login usually mean a credentials mismatch or a temporary account lock. First, reset your password through the PlayStation website from a browser — not the console. If the code points to a server-side block, wait 30 minutes before retrying. Make sure your email address is confirmed and two-step verification isn't rejecting the login from an unrecognized device.
When a purchase won't go through, the issue is rarely your card itself. PSN checks billing address, card type, and spending limits simultaneously. Try these steps:
If latency spikes during multiplayer sessions, the bottleneck is almost always between your router and the console. Switch from Wi-Fi to a wired Ethernet connection — that alone cuts ping by 20–40ms in most home setups. Go to Settings → Network → Test Internet Connection and check NAT type: Type 2 is fine, Type 3 will cause matchmaking delays and dropped sessions. On your router, open ports 80, 443, 3478, 3479, and 3480 for the UDP/TCP protocols PSN relies on.
Downloads stalling at 99% or throwing error CE-30005-8 usually means corrupted data or a storage issue. Pause the download, restart the console fully, then resume. If that doesn't help, delete the partial file and start fresh. Check that your primary storage drive has at least 10% free space — the system needs buffer room to unpack update packages.
If PSN messages stop showing up or push notifications disappear, check that notifications are enabled both in console settings and in the PlayStation App on your phone. Log out of the app and back in to force a session refresh. On console, go to Settings → Notifications and toggle the relevant categories off and back on.