There is an error code 30005 which will not let you to launch Elden Ring successfully.
It might be very frustrating but dont worry, the solutions below will store your day.
How to Fix Elden Ring Error Code 30005 on Windows 10/11?
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You must have downloaded lots of games on Steam.
Have you ever met Steam missing downloaded files?
If so, read this guide carefully for viable solutions.

Fix 3: Disable Unnecessary Programs
Closing unwanted programs will avoid eating up RAM and CPU usage.
Right-hit theWindowsicon to highlightTask Manager.
InProcesses, right-punch the program which uses more online grid and chooseEnd task.

Relaunch the game to see if the 30005 error code Elden Ring is gone.
OpenControl Panel>System and Security.
HitWindows Defender Firewall>Turn Windows Defender Firewall on or off.
CheckTurn off Windows Defender Firewall.
Searcheasyanti-cheatto locateEasyAntiCheat_setup.exeand right-click it to chooseRun as administrator.
ChooseElden Ringwhen the anti-cheat service is open.
HitRepair Servicesand wait patiently until the process is completed.