BuildRoot/Library/Caches//Sources/AppleFSCompression/AppleFSCompression-96.60.1/Common/ChunkCompression.cpp:49: Error: unsupported compressor 8 BuildRoot/Library/Caches//Sources/AppleFSCompression/AppleFSCompression-96.60.1/Libraries/CompressData/CompressData.c:353: Error: Unknown compression scheme encountered for file '/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/ist' Then running the app in that shell but it still failed: /BuildRoot/Library/Caches//Sources/AppleFSCompression/AppleFSCompression-96.60.1/Common/ChunkCompression.cpp:49: Error: unsupported compressor 8 I tried doing what Paul suggested and running with shell environment variables for the proxy set: $ export http_proxy=

Select Server, and enter suspicion was that the FortiClientUpdateInstaller app was not correctly honouring the proxy settings.

Check the box labeled “Enable Single Sign On (SSO) for VPN Tunnnel”.

Once installed, open FortiClient, accept the agreement, and click 'Configure VPN'.

Ensure that the FortClient version installed is 6.4.9 or 7.x.x.

If you need to install FortiClient VPN Client on a personally-owned computer or device, please use the appropriate link below to download the correct installer:

Forticlient download mac