"Failed to Update" error in Launcher

[Awesomenut]

When I start the launcher, which is installed with the newest installer from the site, it checks the update cache, extracts files, and then says "Failed to update". I reinstalled it, rebooted my pc, started with Admin and without Admin, and made sure that port 80 and 443 are open.

 

Could someone please provide a fix?

Thanks in advance!

[BlackSix]

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