If the game refuses to start or crashes immediately, the first thing to check is your GPU drivers — outdated versions cause this more often than anything else. Verify game files through Steam: right-click the title, Properties → Local Files → Verify integrity. Also make sure you're running DirectX 11 or 12 compatible hardware and that your Visual C++ redistributables are up to date.
Ping spikes in PUBG are usually tied to your connection stability, not raw speed. Switch from Wi-Fi to a wired Ethernet connection if possible. In the in-game settings, manually select the server region closest to you — auto-selection sometimes picks a wrong one. Close background apps that consume bandwidth: browsers, cloud sync, streaming clients.
If you can't log into your account, try unlinking and relinking your Steam profile in the PUBG account settings at account.pubg.com. Clear your browser cache if you're accessing the website. Two-factor authentication issues often come from time sync problems — make sure your system clock is correct.
Failed purchases are usually a payment processor issue or a mismatch between your Steam wallet currency and your payment method. Make sure your billing address matches exactly what your bank has on file. Try adding funds to Steam wallet first, then completing the purchase from there — this bypasses most card verification failures.
Random freezes mid-game often point to RAM or VRAM overload. Lower texture quality one step and disable the replay recording feature in settings. Check your pagefile size — PUBG can consume over 16 GB of RAM under heavy conditions. Monitoring tools like MSI Afterburner can help you spot which resource hits the ceiling first.