completely deleted mabinogi folder and reinstalled twice
as soon as the nexon screen appears it brings up a little popup message saying "an error has occurred"
not a hackshield error
error code below
[SPOILER="Spoiler"]client.exe caused an EXCEPTION_ACCESS_VIOLATION
in module <unknown module> at 001B:65FA67E2, <unknown symbol>()+0x0
<system>
OS : Microsoft Windows 7, Service Pack 1
Video Adapter : NVIDIA GeForce 6150 LE (4318[0x10de]/577[0x241]/8.17.12.5896)
Memory : 2047MB
Date/Time : 2011/08/17, 12:28:10
Version : 91
Account : '', (0000000000000000)
<registers>
EAX=0821C000 EBX=33CD33CE ECX=000003E8 EDX=00000035 ESI=101E8F2C
EDI=0000180C EBP=0012F9EC ESP=0012F9BC EIP=65FA67E2 FLG=00010206
CS=001B DS=0023 SS=0023 ES=0023 FS=003B GS=0000
<call stack>
[65FA67E2] <unknown module>::<unknown symbol>() + 0x0
[6608ACB2] nvd3dum.dll::QueryOglResource() + 0x5ade2
[660275A2] nvd3dum.dll::<unknown symbol>() + 0x0
[00D83943] Renderer2.dll::pleione::CD3D::~CD3D() + 0x970
[00C78330] Renderer2.dll::pleione::CFrameStaticBuffer::~CFrameStaticBuffer() + 0x660
[00C75EDE] Renderer2.dll::pleione::billboard::GetPrimitiveNo() + 0x3ba
[00CAFC61] Renderer2.dll::pleione::CRenderer::_RenderDynamic() + 0x69
[00CB0BE5] Renderer2.dll::pleione::CRenderer::_RenderPure() + 0x34d
[00CBB8C3] Renderer2.dll::pleione::CLightBody::IsGlossLightEnabled() + 0x4cd
[A034785D] <unknown module>::<unknown symbol>() + 0x0
[CBAB9B10] <unknown module>::<unknown symbol>() + 0x0
[B6790800] <unknown module>::<unknown symbol>() + 0x0
[B6790807] <unknown module>::<unknown symbol>() + 0x0
[/SPOILER]