same problem here
Log start : Mon Oct 16 13:19:21 2017
Current Directory : C:\Program Files (x86)\Freestyle GunZ
13:19:21:751 [APP] OS version : Windows 10 (Build 15063)
13:19:21:865 [APP] Window created successfully.
13:19:23:911 [ZUpdate] Create.
13:19:23:914 [ZFileTransfer] Create.
13:19:23:915 [ZFileTransfer] Create successfully complete.
13:19:23:915 [ZFileTransfer] Open connection.
13:19:23:915 [ZFileTransfer] Open connection successfully complete.
13:19:23:916 [ZFileTransfer] Change directory.
13:19:23:916 [ZFileTransfer] Change directory successfully complete.
13:19:23:916 [ZUpdate] Create successfully compete.
13:19:23:925 [APP] Download patch info file
13:19:23:927 [ZUpdate] Start update.
13:19:23:928 [ZFileTransfer] Download file : patch.xml.comp to ./patch.xml.comp
13:19:23:985 [ZFileTransfer] Download successfully complete.
13:19:23:986 [ZUpdate] Get update info.
13:19:23:997 [ZUpdate] Get update info successfully complete.
13:19:23:998 [ZUpdate] Check valid from patch list.
13:19:24:046 [ZUpdatePatchNode] Needs to update : Gunz.exe (not exist)
13:19:26:897 [ZUpdate] Check valid from patch list successfully complete.
13:19:26:898 [ZUpdate] + Total patch file count : 1
13:19:26:898 [ZUpdate] + Total patch file size : 4051968 bytes
13:19:26:898 [APP] Exist patch file(s)
13:19:26:899 [APP] Start file updating...
13:19:26:900 [ZUpdate] Patch files.
13:19:26:900 [ZFileTransfer] Download file : Gunz.exe to C:\Program Files (x86)\Freestyle GunZ\PATCH\Gunz.exe_
13:19:27:224 [ZFileTransfer] Download successfully complete.
13:19:27:224 [ZUpdate] Successfully download '.\PATCH\Gunz.exe_'
13:19:27:225 [ZUpdate] Patch files successfully complete.
13:19:27:225 [ZUpdate] Move patch files.
13:19:27:242 [ZUpdate] Copy patch file from '.\PATCH\Gunz.exe_' to './Gunz.exe'
13:19:27:266 [ZUpdate] Move patch files successfully complete.
13:19:27:266 [ZUpdate] Start update successfully complete.
13:19:27:266 [APP] Update complete.
13:192:654 [ZUpdate] Destroy.
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