Wont lemme run gunz theres always an error report this the first time it says its a virus but i never got a virus from FG heres my LOG

Log start : Sat Mar 12 08:00:13 2011

Current Directory : C:\Users\Binky\Desktop\FreestylersWorld Entertainment\FreestylersWorld Entertainment
08:00:13:828 [APP] OS version : Windows Vista Professional Service Pack 1 (Build 6001)
08:00:13:868 [APP] Window created successfully.
08:00:16:081 [ZUpdate] Create.
08:00:16:082 [ZFileTransfer] Create.
08:00:16:083 [ZFileTransfer] Create successfully complete.
08:00:16:083 [ZFileTransfer] Open connection.
08:00:16:084 [ZFileTransfer] Open connection successfully complete.
08:00:16:084 [ZFileTransfer] Change directory.
08:00:16:085 [ZFileTransfer] Change directory successfully complete.
08:00:16:085 [ZUpdate] Create successfully compete.
08:00:16:095 [APP] Download patch info file
08:00:16:096 [ZUpdate] Start update.
08:00:16:096 [ZFileTransfer] Download file : ./patch.xml to ./patch.xml
08:00:16:181 [ZFileTransfer] Download successfully complete.
08:00:16:184 [ZUpdate] Get update info.
08:00:16:191 [ZUpdate] Get update info successfully complete.
08:00:16:191 [ZUpdate] Check valid from patch list.
08:00:19:877 [ZUpdatePatchNode] Needs to update : ./gunz.exe
08:00:21:699 [ZUpdate] Check valid from patch list successfully complete.
08:00:21:700 [ZUpdate] + Total patch file count : 1
08:00:21:701 [ZUpdate] + Total patch file size : 869376 bytes
08:00:21:702 [APP] Exist patch file(s)
08:00:21:807 [APP] Start file updating...
08:00:21:807 [ZUpdate] Patch files.
08:00:21:808 [ZFileTransfer] Download file : ./gunz.exe to C:\Users\Binky\Desktop\FreestylersWorld Entertainment\FreestylersWorld Entertainment\PATCH\gunz.exe_
08:00:26:600 [ZFileTransfer] Download successfully complete.
08:005:125 [ZUpdate] Successfully download '.\PATCH\gunz.exe_'
08:005:126 [ZUpdate] Patch files successfully complete.
08:005:126 [ZUpdate] Move patch files.
08:005:127 [ZUpdate] ERROR : Invalid CRC '.\PATCH\gunz.exe_'
08:005:128 [ZUpdate] Move patch files successfully complete.
08:005:128 [ZUpdate] ERROR : Cannot move patch files.
08:005:129 [APP] ERROR - Update fail
08:005:129 [APP] Updater error message :

Invalid CRC from the downloaded patch file. : .\PATCH\gunz.exe_
[Tip] Please check for anti-virus program or firewall running on your system.

08:005:130 [App] File transfer error message :