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Hi everyone,

 

When launching PROClient.exe, the error message "Failed to validate patch" appears. After that, I can't log onto PRO with my login & password.

A message suggests downloading the last PRO version: I did it but nothing has changed.

 

How can I solve this to play PRO again?

Maybe other players faced the same problem.

 

Memoriax

Thanks for your reply.

 

My OS is Windows 8.1 64 bits. PRO ran perfectly before the patch, so I don't understand why it should not run now.

 

The problem comes when running the PROClient.exe. The message says "downloading patch ..." and then "failed to validate patch", even though internet connection is OK.

  • 11 months later...

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