Error when reading license file

I buyed pro license like half year ago, used it on my server. But for now i’m ytring to install 6+ server version and got an error "Error when reading license file ".

I tryed 6.2.4 and 6.1.9 - same problems on both

Any suggestions howto fix it?

The ideas:

  1. I download server from other account (i lost initial account details, but saved license)
  2. I fail something when upgrade from Older version
  3. I have russian charset in name…

Does the file have correct permissions?

Yes. 777