when i install game then click start game,it appear error report like below
Log start : Fri Dec 28 20:28:56 2012
Current Directory : E:\AeriaGames\GunZ
20:28:56:000 [APP] OS version : Microsoft Windows XP Professional Service Pack 3 (Build 2600)
20:28:56:000 [APP] Window created successfully.
20:28:58:125 [ZUpdate] Create.
20:28:58:125 [ZFileTransfer] Create.
20:28:58:125 [ZFileTransfer] Create successfully complete.
20:28:58:125 [ZFileTransfer] Open connection.
20:28:58:125 [ZFileTransfer] Open connection successfully complete.
20:28:58:125 [ZFileTransfer] Change directory.
20:28:58:125 [ZFileTransfer] Change directory successfully complete.
20:28:58:125 [ZUpdate] Create successfully compete.
20:28:58:125 [APP] Download patch info file
20:28:58:125 [ZUpdate] Start update.
20:28:58:125 [ZFileTransfer] Download file : ./patch.xml to ./patch.xml
20:28:58:218 [ZFileTransfer] Download successfully complete.
20:28:58:218 [ZUpdate] Get update info.
20:28:58:218 [ZUpdate] Get update info successfully complete.
20:28:58:218 [ZUpdate] Check valid from patch list.
20:28:58:281 [ZUpdatePatchNode] Needs to update : ./BAReport.exe
20:29:01:593 [ZUpdatePatchNode] Needs to update : ./GunzLauncher.exe
20:29:01:859 [ZUpdate] Check valid from patch list successfully complete.
20:29:01:859 [ZUpdate] + Total patch file count : 2
20:29:01:859 [ZUpdate] + Total patch file size : 1159168 bytes
20:29:01:859 [APP] Exist patch file(s)
20:29:01:859 [APP] Start file updating...
20:29:01:859 [ZUpdate] Patch files.
20:29:01:906 [ZUpdate] Already exist patch file : .\PATCH\BAReport.exe_
20:29:02:046 [ZUpdate] Already exist patch file : .\PATCH\GunzLauncher.exe_
20:29:02:046 [ZUpdate] Patch files successfully complete.
20:29:02:046 [ZUpdate] Move patch files.
20:29:02:078 [ZUpdate] Copy patch file from '.\PATCH\BAReport.exe_' to '.\BAReport.exe'
20:29:02:125 [ZUpdate] ERROR : CRC error '.\BAReport.exe'
20:29:02:265 [ZUpdate] This file is must restart : '.\PATCH\GunzLauncher.exe_'
20:29:02:265 [ZUpdate] Move patch files successfully complete.
20:29:02:265 [ZUpdate] ERROR : Cannot move patch files.
20:29:02:265 [APP] ERROR - Update fail
20:29:02:265 [APP] Updater error message :
This file is currently cannot be modified : .\BAReport.exe
[Tip] Please check for file authorization