EPERM, operation not permitted, mkdir 'C navigraph

Hi everyone! I tried to update the fs2020 airacs but it gives me an error. I tried with the advice already present on the forum but I still can’t. Help me

Hi Giuseppe,


Please restart machine.

Please try disabling your Antivirus and firewall,

Please see:


Thanks for the reply! I tried, but it still doesn’t work.
I also tried excluding the folder as some have done, but to no avail.

My solution : check that your %localappdata%/Temp has the proper permissions. The installer creates a “Navigraph” directory where it stores temporary data.

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