I got this fromthe official site and this dev guy makes it sound like if you changed the L2.exe that you's be in trouble
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From Mordiki:
Looks like they did ALOT more then ICONS......Directx, networking, looks like alot of graphical changes, even audio.....
Connected to update server
Download .\Notice\Notice-e.txt file
Check file .\System\ALAudio.dll ..done
Download .\System\ALAudio.dll file...done
start unzip . unzip done
Check file .\System\Core.dll ..done
Download .\System\Core.dll file...done
start unzip . unzip done
Check file .\System\Core.u ..done
Download C:\Program Files\Lineage II\System\2.rtp file
Patch start for Core.u...done
Check file .\System\D3DDrv.dll ..done
Download C:\Program Files\Lineage II\System\3.rtp file
Patch start for D3DDrv.dll...done
Check file .\System\Editor.u ..done
Download C:\Program Files\Lineage II\System\4.rtp file
Patch start for Editor.u...done
Check file .\System\Engine.dll ..done
Download C:\Program Files\Lineage II\System\5.rtp file
Patch start for Engine.dll...done
Check file .\System\Engine.u ..done
Download C:\Program Files\Lineage II\System\6.rtp file
Patch start for Engine.u...done
Check file .\System\Fire.dll ..done
Download .\System\Fire.dll file...done
start unzip . unzip done
Check file .\System\Fire.u ..done
Download C:\Program Files\Lineage II\System\8.rtp file
Patch start for Fire.u...done
Check file .\System\GamePlay.u ..done
Download C:\Program Files\Lineage II\System\9.rtp file
Patch start for GamePlay.u...done
Check file .\System\IpDrv.dll ..done
Download C:\Program Files\Lineage II\System\10.rtp file
Patch start for IpDrv.dll...done
Check file .\System\IpDrv.u ..done
Download C:\Program Files\Lineage II\System\11.rtp file
Patch start for IpDrv.u...done
Check file .\System\L2.exe ..done
Download C:\Program Files\Lineage II\System\12.rtp file
Patch start for L2.exe...done
Check file .\System\LineageDeco.u ..done
Download C:\Program Files\Lineage II\System\13.rtp file
Patch start for LineageDeco.u...done
Check file .\System\LineageEffect.u ..done
Download C:\Program Files\Lineage II\System\14.rtp file
Patch start for LineageEffect.u...done
Check file .\System\LineageEnv.dll ..done
Download C:\Program Files\Lineage II\System\15.rtp file
Patch start for LineageEnv.dll...done
Check file .\System\LineageEnv.u ..done
Download C:\Program Files\Lineage II\System\16.rtp file
Patch start for LineageEnv.u...done
Check file .\System\LineageMonster.u ..done
Download C:\Program Files\Lineage II\System\17.rtp file
Patch start for LineageMonster.u...done
Check file .\System\LineageNpc.u ..done
Download C:\Program Files\Lineage II\System\18.rtp file
Patch start for LineageNpc.u...done
Check file .\System\LineageVehicle.u ..done
Download C:\Program Files\Lineage II\System\19.rtp file
Patch start for LineageVehicle.u...done
Check file .\System\LineageWarrior.u ..done
Download C:\Program Files\Lineage II\System\20.rtp file
Patch start for LineageWarrior.u...done
Check file .\System\Network.dll ..done
Download .\System\Network.dll file...done
start unzip . unzip done
Check file .\System\NWindow.dll ..done
Download .\System\NWindow.dll file...done
start unzip ... unzip done
Check file .\System\UDebugMenu.u ..done
Download C:\Program Files\Lineage II\System\23.rtp file
Patch start for UDebugMenu.u...done
Check file .\System\UWindow.u ..done
Download C:\Program Files\Lineage II\System\24.rtp file
Patch start for UWindow.u...done
Check file .\System\Window.dll ..done
Download C:\Program Files\Lineage II\System\25.rtp file
Patch start for Window.dll...done
Check file .\System\WinDrv.dll ..done
Download C:\Program Files\Lineage II\System\26.rtp file
Patch start for WinDrv.dll...done
All files update completed
Latest info:
We are compiling the list of errors caused by the latest patch and depending on what we find, if they are issues we can resolve from our end, we will. If they require development support, we will roll back the patch until all these issues are resolved and a new properly working patch implemented.
good luck.....l2.exe was in that update..you decompiling the client?..i bet you revert...*smiles softly*
im being very nice.......

:)