InetGet Corrupt file

$VersionsInfo = "[url="https://dl-web.dropbox.com/get/Version.ini?w=AAC8XLGvS9VVbZ4ivvsC9L_rjqxUL0FuH7pbMzQWJeQQ4A"]https://dl-web.dropbox.com/get/Version.ini?w=AAC8XLGvS9VVbZ4ivvsC9L_rjqxUL0FuH7pbMzQWJeQQ4A[/url]"
$oldVersion = IniRead("updater.ini","Version","Version","NotFound")
$newVersion = "0.0"

$Ini = InetGet($VersionsInfo,@ScriptDir & "\version.ini") ;download version.ini

If $Ini = 0 Then ;was the download of version.ini successful?
MsgBox(0,"ERROR","The server seems to be offline.")
Else
$newVersion = IniRead (@ScriptDir & "\version.ini","Version","Version","") ;reads the new version out of version.ini
If $NewVersion = $oldVersion Then ;compare old and new
MsgBox (0,"No update","There is no update available!")
Else
$msg = MsgBox (4,"Update","There is a new version existing: " & $newVersion & " ! You are using: " & $oldVersion & ". Do you want to download the new version?")
If $msg = 7 Then ;No was pressed
FileDelete(@ScriptDir & "\version.ini")
Exit
ElseIf $msg = 6 Then ;OK was pressed
$downloadLink = IniRead(@ScriptDir & "\version.ini","Version","download","NotFound")
$dlhandle = InetGet($downloadLink,@ScriptDir & "\Update.rar",1,1)
ProgressOn("", "", "",-1,-1,16) ;creates an progressbar
$Size = InetGetSize($downloadLink,1) ;get the size of the update
While Not InetGetInfo($dlhandle, 2)
$Percent = (InetGetInfo($dlhandle,0)/$Size)*100
ProgressSet( $Percent, $Percent & " percent");update progressbar
Sleep(1)
WEnd
ProgressSet(100 , "Done", "Complete");show complete progressbar
sleep(500)
ProgressOff() ;close progress window
IniWrite("updater.ini","version","version",$NewVersion) ;updates update.ini with the new version
InetClose($dlhandle)
MsgBox(-1,"Success","Download Complete!")
EndIf
EndIf
EndIf
FileDelete(@ScriptDir & "\version.ini")
Exit