No linError from server.exe dunno why,I checked all folders this is from CaheD , last 3 was from l2npc,and all lokks same about HWND .. something is really wrong !! minidump result : 0 Crashed Thread[20]. Server is closed by system manager. CRASH Server Up Time : Fri Jul 12 11:32:31 2013 Current Time : Fri Jul 12 12:01:34 2013 Elapsed Time : 0 days 0 hours 29 minutes 3 seconds IOBufferPool - 39996 / 39996, PendingWrite 0 bytes [0] [(3340) 2013/07/12 12:01:34]: ======================= an Access Violation in module Cached_AdvExt64.exe at 0023:00422b6a. start at 2013/7/12 11:32:31 Write to location 00000000 caused an access violation. Registers: EAX=00000000 CS=0023 EIP=00422b6a EFLGS=00010246 EBX=00000001 SS=002b ESP=002ded68 EBP=002deec0 ECX=00000000 DS=002b ESI=002e42a8 FS=0053 EDX=01f55000 ES=002b EDI=001200da GS=002b Bytes at CS:EIP: 88 18 e9 21 02 00 00 b9 38 f1 8f 00 e8 f5 2e 02 Stack dump: 002ded68: 002def0c 00000001 00000000 00000000 00000000 00650048 006c006c 0020006f 002ded88: 006f0057 006c0072 00210064 002d0000 7d6256e8 00130144 002dedb4 7d625992 002deda8: 00650048 006c006c 0020006f 006f0057 006c0072 00210064 00650048 006c006c 002dedc8: 0020006f 006f0057 006c0072 00210064 536c0000 002dee2c 7d625b62 002def10 002dede8: 00000000 00000001 002dee7c 00131f58 c0150008 00000000 00000af4 00000002 002dee08: 002dee80 c0150008 00000000 7efde000 7efdd000 002dee3c 7d625cd2 00000001 002dee28: 00000000 002deec8 002dee38 002deec8 00000001 00000000 7d625ad8 002d0e22 002dee48: 002deee4 004f06d7 00000001 00000000 002deef4 002deef8 002deef4 00000001 002dee68: 00000001 00000000 002def0c 002def10 002def0c 00000001 00000000 001200da 002dee88: 002d0e66 002def28 004f06d7 00000001 7d9472f0 001200da 00000002 00000000 GuardInfo : IOThread [0][16] (good): OnStartUp -> void IOThread_common(void *arglist) Lock Stack : IOThread [1][31] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [2][31] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [3][31] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [4][31] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [5][31] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [6][31] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [7][31] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [8][47] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [9][47] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [10][47] (good): void IOThread_common(void *arglist) Lock Stack : IOThread [11][47] (good): void IOThread_common(void *arglist) Lock Stack : ListenThread [21][47] (good): unsigned __stdcall WaitThread(void *) Lock Stack : MainThread [20][7650156] (ahehe): MessageLoop_common -> LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) -> LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) -> LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) Lock Stack : GuardInfo end [(3340) 2013/07/12 12:01:34]: *.\CacheD.cpp:106(Tue Aug 9 23:52:17 2005) exception