Hi, yes, it's font issue. The GP client has its own font files. There are two of them from Lato font family. I found that the C:\Program Files\Palo Alto Networks\GlobalProtect\Lato-Regular.ttf was corrupted/incomplete. It had only few kB. I have replaced it with original one (https://www.latofonts.com/lato-free-fonts/) and GP client works fine. 🙂 I have no idea why the font file was incomplete in my case, but this workaround works.
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