I was wondering what this issue is. Is it a file that hasn't been white-listed...?
My server had several kicks from AnthChecker for
NPLoaderLL_v16b.dll
NPLoaderLL_v16.dll
Here's some logs.
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : _chris
### - Player IP : 67.XX.XXX.XXX
### - Player OS : Windows
### - EngineVer : 451
### - RenderDev : OpenGL OpenGLDrv.dll
### - RenderVer : UTGLR v3.4 OpenGL Renderer
### - RenderChksm : 5A25819FC2B53E3556A3961F4E6F04FB
### - RenderSize : 258048 bytes
### - TimeStamp : 12-06-2010 20:09:01
### ----------------- Additional information -----------------
### - GUID : onafyQMOKyyyK8449_-663733786
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16.dll
### - Checksum : fa6efe3803b2ed80cedd9bc1a26a4700
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : Preditor
### - Player IP : 71.XXX.XX.XXX
### - Player OS : Windows
### - EngineVer : 432
### - RenderDev : Direct3D D3DDrv.dll
### - RenderVer : UT v432 D3D Renderer - Alternate
### - RenderChksm : 33B050033A8F8E1803B85D703748A6D7
### - RenderSize : 217088 bytes
### - TimeStamp : 05-07-2010 16:57:14
### ----------------- Additional information -----------------
### - GUID : lk^cvHGOILvvvHG9988_277152151
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16b.dll
### - Checksum : f84194e57a4a3189b9c402cc9fa411e8
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : ShankZ
### - Player IP : 173.XX.XXX.XX
### - Player OS : Windows
### - EngineVer : 432
### - RenderDev : Direct3D D3DDrv.dll
### - RenderVer : UT v432 D3D Renderer - Alternate
### - RenderChksm : 33B050033A8F8E1803B85D703748A6D7
### - RenderSize : 217088 bytes
### - TimeStamp : 19-06-2010 18:53:43
### ----------------- Additional information -----------------
### - GUID : a`SXk==C=<kkkA1541_-715348588
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16.dll
### - Checksum : fa6efe3803b2ed80cedd9bc1a26a4700
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : ShankZ
### - Player IP : 173.XX.XXX.XX
### - Player OS : Windows
### - EngineVer : 432
### - RenderDev : Direct3D D3DDrv.dll
### - RenderVer : UT v432 D3D Renderer - Alternate
### - RenderChksm : 33B050033A8F8E1803B85D703748A6D7
### - RenderSize : 217088 bytes
### - TimeStamp : 19-06-2010 18:53:58
### ----------------- Additional information -----------------
### - GUID : a`SXk==C=<kkkA1541_-715348588
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16.dll
### - Checksum : fa6efe3803b2ed80cedd9bc1a26a4700
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : KEVIN11
### - Player IP : 184.XX.XX.90
### - Player OS : Windows
### - EngineVer : 436
### - RenderDev : OpenGL OpenGLDrv.dll
### - RenderVer : UT v436 OpenGL Renderer - Epic Update
### - RenderChksm : 2872D0EA26E6BC631D2012EE9F8D71C9
### - RenderSize : 126976 bytes
### - TimeStamp : 20-06-2010 19:33:43
### ----------------- Additional information -----------------
### - GUID : `_RWjA<C;jjj<?9484_-1366802059
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16.dll
### - Checksum : fa6efe3803b2ed80cedd9bc1a26a4700
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : KEVIN11
### - Player IP : 184.XX.XX.XX
### - Player OS : Windows
### - EngineVer : 436
### - RenderDev : OpenGL OpenGLDrv.dll
### - RenderVer : UT v436 OpenGL Renderer - Epic Update
### - RenderChksm : 2872D0EA26E6BC631D2012EE9F8D71C9
### - RenderSize : 126976 bytes
### - TimeStamp : 20-06-2010 19:33:58
### ----------------- Additional information -----------------
### - GUID : `_RWjA<C;jjj<?9484_-1366802059
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16.dll
### - Checksum : fa6efe3803b2ed80cedd9bc1a26a4700
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : IRONCASKET
### - Player IP : 66.XX.XXX.XXX
### - Player OS : Windows
### - EngineVer : 432
### - RenderDev : Direct3D D3DDrv.dll
### - RenderVer : UT v432 D3D Renderer - Alternate
### - RenderChksm : 33B050033A8F8E1803B85D703748A6D7
### - RenderSize : 217088 bytes
### - TimeStamp : 25-06-2010 04:52:23
### ----------------- Additional information -----------------
### - GUID : ji\atIIIJtGFBEJBGEFEtEKOFLOIHtFE9994_-429338069
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16.dll
### - Checksum : fa6efe3803b2ed80cedd9bc1a26a4700
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : tyler
### - Player IP : 70.XXX.XXX.XXX
### - Player OS : Windows
### - EngineVer : 436
### - RenderDev : Direct3D D3DDrv.dll
### - RenderVer : UT v436 D3D Renderer - Std/No Delta
### - RenderChksm : FE0656E088236E2F1F1D2195D0AF7040
### - RenderSize : 217088 bytes
### - TimeStamp : 30-06-2010 13:33:38
### ----------------- Additional information -----------------
### - GUID : qpch{MLSON{{{Q8704_-380413724
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16.dll
### - Checksum : fa6efe3803b2ed80cedd9bc1a26a4700
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : tyler
### - Player IP : 70.XXX.XXX.XXX
### - Player OS : Windows
### - EngineVer : 436
### - RenderDev : Direct3D D3DDrv.dll
### - RenderVer : UT v436 D3D Renderer - Std/No Delta
### - RenderChksm : FE0656E088236E2F1F1D2195D0AF7040
### - RenderSize : 217088 bytes
### - TimeStamp : 30-06-2010 13:34:24
### ----------------- Additional information -----------------
### - GUID : qpch{MLSON{{{Q8704_-380413724
### - guid Valid : True
### - KickType : 9
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client loaded an illegal library! (hacked)
### - File : NPLoaderLL_v16.dll
### - Checksum : fa6efe3803b2ed80cedd9bc1a26a4700
### - Ident : HACKED - Unknown Package
### -------------------------------------------------------------
And I'm not sure if this is a hack or not.
### -------------------------------------------------------------
### ANTHCHECKER - PLAYER KICK
### -------------------------------------------------------------
### - Player name : Look
### - Player IP : 200.XXX.XX.XX
### - Player OS : Windows
### - EngineVer : 436
### - RenderDev : Unrecognized class ini:Engine.dll
### - RenderVer : Unknown Renderer
### - RenderChksm : D41D8CD98F00B204E9800998ECF8427E
### - RenderSize : 0 bytes
### - TimeStamp : 16-06-2010 22:20:35
### ----------------- Additional information -----------------
### - GUID : ji\atKFMEtttFM8196_-1023760437
### - guid Valid : True
### - KickType : 3
### - AnthChecker : v1.38 (Build 10)
### - Reason : Client failed to generate checksum
### - File : Renderdevice
### - Status : F / F / F
### -------------------------------------------------------------