1。 OS: Windows XP 5。1 (Build: 2600) 
CPU: GenuineIntel Unknown processor @ 1695 MHz with 1023MB RAM 
Video: (0) 
Assertion failed: RenDev [File:WinViewport。
  cpp] [Line: 535] 
History: UWindowsViewport::OpenWindow <- UGameEngine::Init <- InitEngine 
大致是因为显卡驱动安装不正确，导致找不到显卡 
2。
   OS: Windows XP 5。2 (Build: 3790) 
CPU: GenuineIntel PentiumPro-class processor @ 1298 MHz with 502MB RAM 
Video: Intel(R) 82852/82855 GM/GME Graphics Controller (3751) 
Assertion failed: RenDev [File:WinViewport。
  cpp] [Line: 535] 
History: UWindowsViewport::OpenWindow <- UGameEngine::Init <- InitEngine 
一般主板集成显卡都无法正常运行游戏的。 
3。 OS: Windows XP 5。
  1 (Build: 2600) 
CPU: GenuineIntel Unknown processor @ 1802 MHz with 247MB RAM 
Video: Intel(R) 82845G Graphics Controller (3317) 
You have triggered a bug in the DirectX 8。
  1 runtime。 Please install 
DirectX 8。1b (or later) for a fix。 See Release Notes for instructions 
on how to obtain it。 
需安装DirectX 8。
  1b 
4。 OS: Windows XP 5。1 (Build: 2600) 
CPU: GenuineIntel Unknown processor @ 2609 MHz with 1023MB RAM 
Video: NVIDIA GeForce FX 5600XT (5303) 
Ran out of virtual memory。
   To prevent this condition, you must free up more space on your primary hard disk。 
History: FMallocWindows::Malloc <- FMallocWindows::Realloc <- 00000000 368 FArray <- FArray::Realloc <- 92*4 <- UObject::execStructMember <- (ShadowProjector 24_12。
  ShadowProjector903 @ Function Engine。ShadowProjector。UpdateShadow : 012A) <- UObject:rocessEvent <- (ShadowProjector 24_12。
  ShadowProjector903, Function Engine。ShadowProjector。Tick) <- AActor::Tick <- TickAllActors <- ULevel::Tick <- (NetMode=0) <- TickLevel <- UGameEngine::Tick <- UpdateWorld <- MainLoop 
加大虚拟内存和在主板BOIS内恢复内存的默认参数设置，不要超频内存，有时后超频后的电脑当不超频时也会减少错误的发生。
   
5。 OS: Windows XP 5。1 (Build: 2600) 
CPU: AuthenticAMD PentiumPro-class processor @ 1842 MHz with 511MB RAM 
Video: NVIDIA GeForce FX 5200 (5216) 
General protection fault! 
History: AActorstLoad <- UObject::ConditionalPostLoad <- (StaticMeshActor 19_21。
  StaticMeshActor714) <- ULevelstloadObjects <- ULevel:oad <- Load_Level <- UGameEngine::AdjustTerrain <- L2Seamless <- UGameEngine::Tick <- UpdateWorld <- MainLoop 
系统错误，重装系统或是升级显卡。
   
6。OS: Windows XP 5。1 (Build: 2600) 
CPU: AuthenticAMD PentiumPro-class processor @ 2007 MHz with 511MB RAM 
Video: ÊÀÃË GeForce FX 5200 (4523) 
Assertion failed: appStricmp( *rt, TEXT("None") ) [File2NetHandler。
  cpp] [Line: 253] 
History: User::GetClassName <- UNetworkHandler::Tick <- Function Name=NpcInfoPacket <- UGameEngine::Tick <- UpdateWorld <- MainLoop 
文件连接错误或者是找不到部分文件   可能你的客户端少点东西或者文件在连接错误 你就出错了 
PS：操作系统差不多，错误意思就是这些。