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smartguard error 0x5 cant open game client

Posted: Sat Jun 13, 2026 7:46 pm
by Sps_GreeCe
every time i press play on launcher it crashes with code 0x5. running on fresh win11 install system. tried restarting pc still blocks me help

Re: smartguard error 0x5 cant open game client

Posted: Sat Jun 13, 2026 8:03 pm
by SpoilLife
add whole l2 system directory to windows defender exception list bro. smartguard always flags false positives on custom patch lines

Re: smartguard client block

Posted: Sat Jun 13, 2026 8:05 pm
by Gr_Gamer
run updater as admin, standard permission issue on win11 block