crit error all over again

Code:

2011.12.8 12:05:51
os : windows vista 6.0 (build: 6001)
cpu : genuineintel  intel(r) core(tm)2 duo cpu     e6550  @ 2.33ghz @ 2333 mhz 2047mb ram
video : nvidia geforce gts 250 (7533)
poscode : ls9(415) -25897:200768:-3789 2/1 [837]

idirect3dindexbuffer9::lock failed(88760870).

history: fd3ddynamicindexbuffer::addindices <- fd3drenderinterface::setdynamicindexbuffer <- render things <- aterraininfo::render <- this=19_24.terraininfo0 <- renderterrain <- renderlevel <- flevelscenenode::render <- fplayerscenenode::render <- scenenoderender <- draw <- ugameengine::draw <- grendev = 7d5f0000 <- uwindowsviewport::repaint <- uwindowsclient::tick <- clienttick <- ugameengine::tick <- updateworld <- mainloop

what should i do ? i already increase virtual memory space on my windows i use win vista64

 

delete option.ini file from l2folder/system and launch the game again

 

good day,

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best regards,