Zclient is not working

I'm trying to open Zclient and the file is not working anymore. When i'm trying to log in ZLOrigin, it's telling me :ZLupdater is too old, download the new from zloemu.org but when i go to the website, it's not about zloemu.

Try this first.
Close ZLOrigin (if it still is open)
Open the folder Zclient
Delete all files except Zclient.exe
Now click Zclient.exe again

Thanks ! it was because of my antivirus. It blocked the ZClient and the Zlorigin folder