求助：天堂2安装后登陆不了，求助：天堂2安装后登陆不了每次进后都会跳出一个帖子．贴内容如下 OS: Windows XP 5.1 (Build: 2600) CPU: AuthenticAMD Unknown processor @ 1401 MHz with 511MB RAM Video: RADEON 9550 (DNA 2.8.4.8) (6467) GetRenderTarget failed(D3DERR_INVALIDCALL). History: FD3DRenderInterface::GetRenderTarget <- SetParticleMaterial::Refraction <- FD3DRenderInterface::SetParticleMaterial <- FD3DRenderInterface::SetMaterial <- USpriteEmitter::RenderParticles <- AEmitter::Render <- FDynamicActor::Render <- RefractionRender <- RenderLevel <- FLevelSceneNode::Render <- FPlayerSceneNode::Render <- UGameEngine::Draw <- UWindowsViewport::Repaint <- UWindowsClient::Tick <- ClientTick <- UGameEngine::Tick <- UpdateWorld <- MainLoop 请大峡指点，告诉我怎么才能进去。小弟不胜感激．先谢谢了