The ultimate troubleshooting guide for all Roblox issues. Whether it's crashes, errors, lag, or connection problems - we've got you covered.
These 4 steps fix 80% of all Roblox problems. Try them first before diving into specific solutions.
Close Roblox completely (check Task Manager), restart your computer, and try again.
Press Win + R, type %localappdata%, delete the Roblox folder.
Open Command Prompt as Admin, run: ipconfig /flushdns
Visit status.roblox.com - if servers are down, wait for Roblox to fix it.
Click on the issue you're experiencing for detailed solutions.
Unexpected client behavior detected - anti-cheat triggered
View Solution →Connection timeout - lost connection to game server
View Solution →Failed to connect - unable to join game server
View Solution →Clicking Play does nothing, game doesn't open
View Solution →Game opens briefly then immediately crashes
View Solution →Roblox window shows blank white screen
View Solution →Roblox keeps reinstalling every time you launch
View Solution →Game running slowly, stuttering, or freezing
View Solution →Full list of all Roblox error codes and solutions
View All Errors →Roblox stores temporary files that can become corrupted. Solution: Clear %localappdata%\Roblox
Unstable internet or DNS problems. Solution: Restart router, flush DNS, try mobile hotspot.
Antivirus/firewall blocking Roblox. Solution: Add Roblox to exclusions list.
Discord overlay, screen recorders trigger anti-cheat. Solution: Close overlay apps.
Our repair scripts only perform standard Windows troubleshooting commands. They don't modify Roblox files or violate Terms of Service.
No. Your game progress, Robux, and account data are stored on Roblox servers, not locally.
Visit help.roblox.com and submit a support ticket.
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