when i updated i got this.. :
Log start : Sat Dec 12 12:002 2009

Current Directory : E:\Mark moet extra ruimte!\FSGUNZ
12:002:039 [APP] OS version : Windows Vista Home Edition Service Pack 2 (Build 6002)
12:002:104 [APP] Window created successfully.
12:004:123 [ZUpdate] Create.
12:004:128 [ZFileTransfer] Create.
12:004:131 [ZFileTransfer] Create successfully complete.
12:004:136 [ZFileTransfer] Open connection.
12:004:138 [ZFileTransfer] Open connection successfully complete.
12:004:141 [ZFileTransfer] Change directory.
12:004:143 [ZFileTransfer] Change directory successfully complete.
12:004:146 [ZUpdate] Create successfully compete.
12:004:154 [APP] Download patch info file
12:004:156 [ZUpdate] Start update.
12:004:158 [ZFileTransfer] Download file : ./patch.xml to ./patch.xml
12:004:530 [ZFileTransfer] Download successfully complete.
12:004:535 [ZUpdate] Get update info.
12:004:562 [ZUpdate] Get update info successfully complete.
12:004:579 [ZUpdate] Check valid from patch list.
12:00:51:879 [ZUpdatePatchNode] Needs to update : ./svchost.exe
12:00:53:745 [ZUpdatePatchNode] Needs to update : ./NOP.dll
12:00:53:750 [ZUpdatePatchNode] Needs to update : ./patch.xml
12:00:54:181 [ZUpdate] Check valid from patch list successfully complete.
12:00:54:185 [ZUpdate] + Total patch file count : 3
12:00:54:200 [ZUpdate] + Total patch file size : 2705286 bytes
12:00:54:203 [APP] Exist patch file(s)
12:00:55:289 [APP] Start file updating...
12:00:55:291 [ZUpdate] Patch files.
12:00:5505 [ZFileTransfer] Download file : ./svchost.exe to E:\Mark moet extra ruimte!\FSGUNZ\PATCH\svchost.exe_
12:019:205 [ZFileTransfer] Download successfully complete.
12:019:212 [ZUpdate] Successfully download '.\PATCH\svchost.exe_'
12:019:234 [ZFileTransfer] Download file : ./NOP.dll to E:\Mark moet extra ruimte!\FSGUNZ\PATCH\NOP.dll_
12:012:986 [ZFileTransfer] Download successfully complete.
12:012:991 [ZUpdate] Successfully download '.\PATCH\NOP.dll_'
12:012:993 [ZFileTransfer] Download file : ./patch.xml to E:\Mark moet extra ruimte!\FSGUNZ\PATCH\patch.xml_
12:013:141 [ZFileTransfer] Download successfully complete.
12:013:145 [ZUpdate] Successfully download '.\PATCH\patch.xml_'
12:013:147 [ZUpdate] Patch files successfully complete.
12:013:149 [ZUpdate] Move patch files.
12:016:672 [ZUpdate] ERROR : Invalid CRC '.\PATCH\svchost.exe_'
12:016:856 [ZUpdate] ERROR : Invalid CRC '.\PATCH\NOP.dll_'
12:016:862 [ZUpdate] ERROR : Invalid CRC '.\PATCH\patch.xml_'
12:016:867 [ZUpdate] Move patch files successfully complete.
12:016:885 [ZUpdate] ERROR : Cannot move patch files.
12:016:887 [APP] ERROR - Update fail
12:016:892 [APP] Updater error message :

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

12:016:894 [App] File transfer error message :

what does it mean and what do i have to do now